Publications [LaTeX]

Books

Books

1 - A Faculdade de Filosofia Natural da Universidade de Coimbra de 1772 a 1911
Décio Ruivo Martins e João da Providência
Fundação Calouste Gulbenkian (2001)

Chapters of Books

2 - Neutron Rich Matter Within Relativistic Mean-Theory Field
C. Providência, L. Brito, J. M. Moreira, J. da Providência, D. P. Menezes, S. A. Moszkowski
Condensed Matter Theories, Nova Science Publishers, New York 18, 355 (2003)

3 - Condensed Matter Theories
M. De Llano, C. Fiolhais, and J. da Providência
(Portugal), Nova Science, New York 18 (2003)

4 - A Faculdade de Filosofia Natural da Universidade of Coimbra de 1772 a 1911
D. R. Martins and João da Providência
“History of Teaching in Portugal between 1772 and 1911”, Fernando Taveira da Fonseca (coordenador), Fundação Calouste Gulbenkian, Lisboa, in print (2002)

5 - Spin modes in 3He clusters: a variational approach, in ``Condensed Matter Theories´´
E. P. Bashkin, C. da Providência , J. da Providência
G. S. Anagnostatos, R. F. Bishop, K. A. Gernoth,J. Ginis e A. Theophilou (Eds),Nova Science Publishers, Nova Iorque 15, 149 (2000)

6 - Spin modes in 3He clusters: a variational approach, in ``Condensed Matter Theories´´
E. P. Bashkin, C. da Providência , J. da Providência
J. W. Clark e P. V. Panat (Eds), Nova Science Publishers, 427 (1997)

7 - Variational description of collective isospin modes in heavy nuclei, in ``Recent Progress in Many-Body Theories´´
E. P. Bashkin, C. da Providência , J. da Providência
E. Schachinger, H. Mitter e H. Sormann (Eds), Plenum Press, New York and London IV, 187 (1995)

8 - Thermal boson expansions, in ``Predeal International Summer School: New Trends In Theoretical and Experimental Nuclear Physics´´
J. da Providência, M. Yamanura, A. Kuriyama, C. Providência
A. A. Raduta, D. S. Delion and I. I. Ursu (Eds), World Scientific, Singapura, 399 (1992)

9 - Relativistic Vlasov Equation, in ``Predeal International Summer School: New Trends In Theoretical and Experimental Nuclear Physics"
M. Nielsen, C. Providência e J. da Providência
A. A. Raduta, D. S. Delion and I. I. Ursu (Eds), World Scientific, Singapura, 468 (1992)

Papers

International Journals

10 - Neutron stars within the Bogoliubov quark-meson coupling model
Aziz Rabhi, Constança Providência, Steven A. Moszkowski, João da Providência, Henrik Bohr
Phys. Rev. C 103, 035811 (2021)

11 - Kippenhahn Curves of Some Tridiagonal Matrices
N. Bebiano, J. da Providencia, I. Spitkovsky K. Vazquez
Filomat 3(9), 3047-3061 (2021)

12 - Toward non-Hermitian quantum statistical thermodynamics
N Bebiano, J da Providencia, JP da Providencia
J. Math. Phys. 61(2), 022102 (2020)

13 - Hybrid stars from a three-flavor NJL model with two kinds of tensor condensates
M. Morimoto, Y. Tsue, J. da Providencia, C. Providencia, M. Yamamura
Int.J.Mod.Phys.E 29 (2020)

14 - Binding of muonated hydrogen molecules and Born-Oppenheimer approximation revisited
AJC Varandas, J da Providencia, JP da Providencia
Can. J. Phys. 98(4), 379-384 (2020)

15 - A quantum system with a non-self-adjoint 2D-harmonic oscillator
N Bebiano, J da Providencia, JP da Providencia
Phys. Scr. 54(9), 095205 (2019)

16 - Hyperonic stars within the Bogoliubov quark meson model for nuclear matter
Prafulla K. Panda, Constança Providência, Steven A. Moszkowski, Henrik Bohr, João da Providência
Int. J. Mod. Phys. E 28, 1950034-1-1950034-12 (2019)

17 - Hybrid stars from the NJL model with a tensor-interaction
H. Matsuoka, Y. Tsue, J. da Providencia, C. Providencia, M. Yamamura
Phys. Rev. D 98, 074027 (2018)

18 - Spontaneous magnetization under a pseudovector interaction between quarks in high density quark matter
M. Morimoto, Y. Tsue, J. da Providencia, C. Providencia, M. Yamamura
INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS 27, 1850028 (2018)

19 - Mathematical Aspects of Quantum Systems with a Pseudo-Hermitian Hamiltonian
N Bebiano, J da Providencia, JP da Providencia
Braz. J. Phys. 46(2), 152-156 (2016)

20 - Spin-polarized versus chiral condensate in quark matter at finite temperature and density
Hiroaki Matsuoka, Yasuhiko Tsue, João da Providência, Constança Providência, Masatoshi Yamamura, and Henrik Bohr
Prog. Theor. Exp. Phys. 053D02 (2016)

21 - On dipositronium and molecular hydrogen: similarities and differences
A.J.C. Varandas, J. da Providência, M. Brajczewska and J. P. da Providência
European Physical Journal D 69, 114 (2015)

22 - An inverse indefinite numerical range problem,
N. Bebiano, J. da Providencia, A. Nata, A. J.P. da Providencia,
LINEAR ALGEBRA AND ITS APPLICATIONS, 470 (2015) 0024-3795 470 (2015)

23 - Computing the numerical range of Krein space operators,
N. Bebiano, J. da Providencia, A. Nata, J.P. da Providencia,
OPEN MATHEMATICS, 13 (2015) 2391-5455 15 (2015)

24 - SO(2N)/U(N) Riccati-Hartree-Bogoliubov equation based on the SO(2N) Lie algebra of the fermion operators,
S. Nishiyama, J. da Providencia,
INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS, 12 (2014) 0219-8878. 12 (2015)

25 - Spin polarization versus color-flavor locking in high-density quark matter,
Y. Tsue, J. da Providencia, C. Providencia, M. Yamamura, H. Bohr,
PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS, 1 (2015) 2050-3911 1 (2015)

26 - Spontaneous magnetization in high-density quark matter
Yasuhiko Tsue, João da Providência, Constança Providência, Masatoshi Yamamura, Henrik Bohr
Prog. Theor. Exp. Phys. (2015) 103D01 103, D01 (2015)

27 - Orbitals of the dipositronium
A.J.C. Varandas, M. Brajczewska, J. da Providência, J. P. da Providência
Chemical Physics Letters 610-611, 167-172 (2014)

28 - REVISITING THE INVERSE FIELD OF VALUES PROBLEM,
Bebiano, J. da Providencia, A. Nata, J.P. da Providencia,
ELECTRONIC TRANSACTIONS ON NUMERICAL ANALYSIS 42 (2014)1068-9613 42 (2014)

29 - A NOTE ON THE CONVEXITY OF THE INDEFINITE JOINT NUMERICAL RANGE
H. Nakazato, N. Bebiano, J. da Providencia,
ELECTRONIC JOURNAL OF LINEAR ALGEBRA, 27 (2014) 1537-9582. 27 (2014)

30 - The numerical range of banded 2-Toeplitz operators in spaces with an indefinite metric,
N. Bebiano, J. da Providencia, A. Nata,
LINEAR & MULTILINEAR ALGEBRA, 62 (2014) 0308-1087. 62 (2014)

31 - Exact canonically conjugate momenta to quadrupole-type collective coordinates and derivation of nuclear quadrupole-type collective Hamiltonian
S. Nishiyama, J. da Providencia,
NUCLEAR PHYSICS A, 923 (2014) 0375-9474. 923 (2014)

32 - Thermal resonating Hartree-Bogoliubov theory based on the projection method,
S. Nishiyama, J. da Providencia, H. Ohnishi,
INTERNATIONAL JOURNAL OF MODERN PHYSICS B, 28 (2014) 0217-9792. 28 (2014)

33 - The 1D Heisenberg antiferromagnet model by the variation after projection method
A. Rabhi, M. Brajczewska, P. Schuck, J. da Providência, R. Bennaceur
International Journal of Modern Physics B 27, 1350058 (2013)

34 - The numerical range of banded biperiodic Toeplitz operators
N. Bebiano, J. da Providencia and A. Nata
Journal of Mathematical Analysis and Applications 398, 189 (2013)

35 - Quark–hadron phase transition in an extended Nambu–Jona-Lasinio model with scalar–vector interaction: Finite temperature and baryon chemical potential case
Tong-Gyu Lee, Yasuhiko Tsue, João da Providência, Constança Providência, and Masatoshi Yamamura
Prog. Theor. Exp. Phys. 013D02 (2013)

36 - A pseudo su(1,1)-algebraic deformation of the Cooper pair in the su(2)-algebraic many-fermion model
Yasuhiko Tsue, Constança Providência, João da Providência, and Masatoshi Yamamura
Prog. Theor. Exp. Phys. 103D04 (2013)

37 - Interplay between spin polarization and color superconductivity in high density quark matter
Yasuhiko Tsue, João da Providência, Constança Providência, Masatoshi Yamamura, and Henrik Bohr
Prog. Theor. Exp. Phys. 103D01 (2013)

38 - Extended NJL model with eight quark interactions
B. Hiller, A.A. Osipov, A.H. Blin, J. da Providência
Progr. Theor. Phys. Suppl. 193, 50 (2012)

39 - Indefinite higher-rank numerical ranges
N. Bebiano, J. da Providencia
Linear and Multilinear Algebra 60, 1009-1026 (2012)

40 - Corrigendum: Inverse problems for pseudo-Jacobi matrices: existence and uniqueness results
N. Bebiano, J. da Providencia
Inverse Problems 28, 069501 (2012)

41 - Tsallis entropies and matrix trace inequalities in quantum statistical mechanics
N. Bebiano, J. da Providencia, J.P. da Providencia
Journal of Mathematical Physics 53, 103303 (2012)

42 - On a reverse Heinz-Kato-Furuta inequality
N. Bebiano, R. Lemos, J. da Providencia
Linear Algebra and its Applications 437, 1892 (2012)

43 - Operator Inequalities for J-Contractions
N. Bebiano, R. Lemos, J. da Providencia, G. Soares
Mathematical Inequalities and Applications 15, 883 (2012)

44 - On the eigenvalues of principal submatrices of J-normal matrices
N. Bebiano, S. Furtado, J. da Providencia
Linear Algebra and its Applications 435, 3101-3114 (2012)

45 - A quasi-Jacobi form for J-normal matrices and inverse eigenvalue problems
N. Bebiano, S. Furtado, J. da Providencia
Linear Algebra and its Applications 436, 1739-1753 (2012)

46 - Background of the su(2)-Algebraic Many-Fermion Models in the Boson Realization - Construction of Minimum Weight States by Means of an Auxiliary su(2)-Algebra and Its Related Problems
Y Tsue, C Providencia, J. da Providencia, M Yamamura
PROGRESS OF THEORETICAL PHYSICS 127, 117-143 (2012)

47 - Note on the Minimum Weight States in the $su(2)$-Algebraic Many-Fermion Model
Yasuhiko Tsue, Constança Providência, João da Providência and Masatoshi Yamamura
Progress of Theoretical Physics 127, 369-314 (2012)

48 - Background of the $su(2)$-Algebraic Many-Fermion Models in the Boson Realization
Yasuhiko Tsue, Constança Providência, João da Providência, Masatoshi Yamamura
Progress of Theoretical Physics 127, 117-143 (2012)

49 - A Role of the Quasiparticle in the Conservation of the Fermion Number
Yasuhiko Tsue, Constança Providência, João da Providência, Masatoshi Yamamura
Progress of Theoretical Physics 128, 717-726 (2012)

50 - The BCS-Bogoliubov and the $su(2)$-Algebraic Approach to the Pairing Model in Many-Fermion System
Yasuhiko Tsue, Constança Providência, João da Providência, Masatoshi Yamamura
Progress of Theoretical Physics 128, 693-715 (2012)

51 - Re-Formation of Many-Quark Model with the $su(4)$-Algebraic Structure in the Schwinger Boson Realization
Yasuhiko Tsue, Constança Providência, João da Providência, Masatoshi Yamamura
Progress of Theoretical Physics 127, 751-768 (2012)

52 - Effective Potential Approach to Quark Ferromagnetization in High Density Quark Matter
Yasuhiko Tsue, João da Providência, Constança Providência, Masatoshi Yamamura
Progress of Theoretical Physics 128, 507-522 (2012)

53 - Color-Singlet Three-Quark States in the $su(4)$-Algebraic Many-Quark Model
Yasuhiko Tsue, João da Providência, Constança Providência, Masatoshi Yamamura
Progress of Theoretical Physics Vol. 127 No. 4 (2012) pp. 769-779 : (c) 127, 769-779 (2012)

54 - Inverse problems for pseudo-Jacobi matrices: existence and uniqueness results
Bebiano N, da Providencia J
INVERSE PROBLEMS 27, 025005 (2011)

55 - The numerical range of linear operators on the 2-dimensional Krein space
H. Nakazato, N. Bebiano, J. da Providencia
Electronic Journal of Linear Algebra 22, 430-442 (2011)

56 - Non-Hermitian Hamiltonians with Real Spectrum in Quantum Mechanics
J. da Providencia, N. Bebiano, J.P. da Providencia
Braz.J.Phys. 41, 78-85 (2011)

57 - An inverse eigenvalue problem for periodic Jacobi matrices in Minkowski spaces
N. Bebiano, C.M. da Fonseca, J. da Providencia
Linear Algebra and its Applications 435, 2033-2045 (2011)

58 - Pion correlations in Nuclear Matter
P.K. Panda, S. Sarangi, J. da Providencia
Int.J.Mod.Phys. E 20, 63 (2011)

59 - On the Color-Singlet States in Many-Quark Model with the su(4)-Algebraic Structure. II - Determination of Ground-State Energies
Y Tsue, C Providencia, J. da Providencia, M Yamamura
PROGRESS OF THEORETICAL PHYSICS 126, 293-311 (2011)

60 - On the Color-Singlet States in Many-Quark Model with the su(4)-Algebraic Structure. I - Color-Symmetric Form
Y Tsue, C Providencia, J. da Providencia, M Yamamura
PROGRESS OF THEORETICAL PHYSICS 126, 115-134 (2011)

61 - On the Color-Singlet States in Many-Quark Model with the su(4)-Algebraic Structure. III
Y. Tsue, C. Providencia, J. da Providencia, M. Yamamura
Prog.Theor.Phys. 126, 313-330 (2011)

62 - The boundary of the Krein space tracial numerical range, an algebraic approach and a numerical algorithm
Bebiano N , Nakazato H, Nata A , da Providencia J
ANNALI DI MATEMATICA PURA ED APPLICATA 189, 539 (2010)

63 - Analogs of Cauchy-Poincare and Fan-Pall interlacing theorems for J-Hermitian and J-normal matrices
Bebiano N, Furtado S, da Providencia J
LINEAR ALGEBRA AND ITS APPLICATIONS 433, 80 (2010)

64 - Trace inequalities for logarithms and powers of J-Hermitian matrices
Bebiano N, Lemos R, da Providencia J, , Soares G
LINEAR ALGEBRA AND ITS APPLICATIONS 432, 3172 (2010)

65 - FURTHER DEVELOPMENTS OF FURUTA INEQUALITY OF INDEFINITE TYPE
Bebiano N, Lemos R, da Providencia J, et al.
MATHEMATICAL INEQUALITIES & APPLICATIONS 13, 523 (2010)

66 - CLASSES OF NON-HERMITIAN OPERATORS WITH REAL EIGENVALUES
Bebiano N, da Providencia J, da Providencia JP
ELECTRONIC JOURNAL OF LINEAR ALGEBRA 21, 98 (2010)

67 - Color symmetric superconductivity in a schematic nuclear quark model
H. BOHR, C. PROVIDÊNCIA and J. DA PROVIDÊNCIA,
Eur. Phys. Lett. 89, 42001 (2010)

68 - Resonating mean-field theoretical approach to two-gap superconductivity
S. Nishiyama, J. da Providencia, C. Providencia, H. Ohnishi
Adv.Stud.Theor.Phys. 4, 283-303 (2010)

69 - First-Order Quark-Hadron Phase-Transition in a NJL-Type Model for Nuclear and Quark Matter - The Case of Symmetric Nuclear Matter -
Y. Tsue, J. da Providencia, C. Providencia, M. Yamamura
PROGRESS OF THEORETICAL PHYSICS 123, 1013-1028 (2010)

70 - Exact solutions to a schematic nuclear quark model and colorless superconductivity, Errata
H. BOHR and J. DA PROVIDÊNCIA
. Phys. A - Mathematical and Theoretical 42, 089802 (2009)

71 - Color symmetric superconductivity in a phenomenological QCD model
Henrik Bohr, Constança Providência, João da Providência
Eur. Phys. J. A 41, 355-360 (2009)

72 - On the Courant-Fisher theory for Krein spaces
N. BEBIANO, H. NAKAZATO and J. DA PROVIDÊNCIA
Linear Algebra and its Applications 430, 1867-1876 (2009)

73 - Indefinite numerical range of 3x3 matrices
N. BEBIANO, J. DA PROVIDÊNCIA and R. TEIXEIRA
CZECHOSLOVAK MATHEMATICAL JOURNAL 59, 221-239 (2009)

74 - Self-Consistent-Field Method and tau-Functional Method on Group Manifold in Soliton Theory: a Review and New Results
Nishiyama S, da Providencia J, Providencia C, Cordeiro F, Komatsu T
SYMMETRY INTEGRABILITY AND GEOMETRY-METHODS AND APPLICATIONS 5, 009 (2009)

75 - On the exact eigenstates and the groundstate based on the boson realization for the many-quark model with su(4) algebraic structure
Y. TSUE, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA and M. YAMAMURA
Prog. Theor. Phys. 122, 911-926 (2009)

76 - Note on many-quark model with su(4) algerbraic structure
Y. TSUE, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA and M. YAMAMURA
Prog. Theor. Phys. 122, 693-711 (2009)

77 - Many-Quark Model with su(4) Algebraic Structure - An Example of Analytically Soluble Many-Fermion System
Y. Tsue(Tsue, Yasuhiko), C Providência (Providência, Constança), J. da Providencia (da Providencia, Joao), M Yamamura(Yamamura, Masatoshi)
PROGRESS OF THEORETICAL PHYSICS 121, 1237-1287 (2009)

78 - Exact solutions to a schematic nuclear quark model and colorless superconductivity
H. BOHR and J. DA PROVIDÊNCIA
J. Phys. A - Mathematical and Theoretical 41, 405202 (2008)

79 - The J-numerical range of a J- Hermitian matrix and related inequalities
H. NAKAZATO, N. BEBIANO and J. DA PROVIDÊNCIA
Linear Algebra and its Applications 428, 2995-3014 (2008)

80 - Flat portions on the boundary of the indefinite numerical range of 3x3 matrices
N. BEBIANO, J. DA PROVIDÊNCIA and R. TEIXEIRA
Linear Algebra and its Applications 428, 2863-2879 (2008)

81 - On the geometry of numerical ranges in spaces with an indefinite inner product
N. BEBIANO, R. LEMOS, J. DA PROVIDÊNCIA and G. SOARES
Linear Algebra Appl., in press. (2008)

82 - Dynamical chiral symmetry breaking by a magnetic field and multi-quark Interactions
A. A. Osipov, B. Hiller, A. H. Blin, J. da Providência
Phys. Lett. B 650, 262-267 (2007)

83 - Effects of eight-quark interactions on the hadronic vacuum and mass spectra of light mesons
A. A. Osipov, B. Hiller, A. H. Blin, J. da Providência
Annals of Physics (N.Y.) 322, 2021-2054 (2007)

84 - Lowering the critical temperature with eight-quark interactions
A. A. Osipov, B. Hiller, J. Moreira, A. H. Blin, J. da Providência
Phys. Lett. B646:91-94,2007. 646, 91-94 (2007)

85 - On the corners of certain determinantal ranges
A. Kovacec, N. Bebiano, J. da Providência
Linear Algebra and its Applications 426, 96-108 (2007)

86 - The Buck-Sukumar model described in terms of su(2) circle times su(1,1) coherent states
F. Cordeiro, C. Providência, J. da Providência, S. Nishiyama
J. Phys. A 40, 12153-12160 (2007)

87 - An extension of Birkhoff´s theorem with an application to determinants
N. Bebiano, J. da Providência, A. Kovacec
Linear Algebra and its Applications 426, 130-137 (2007)

88 - Tensor interaction and short range correlations in relativistic nuclear models
P. K. Panda, C. Providência, J. da Providência
Phys. Rev. C 75, 065806 (2007)

89 - Self-consistent-field method and tau-functional method on group manifold in soliton theory. II. Laurent coefficients of soliton solutions for sl(n) and for su(n)
S. Nishiyama, J. da Providência, T. Komatsu
J. Math. Phys. 48, 053502 (2007)

90 - Semi-classical approach to the two-level pairing model - various aspects of phase change
Y. Tsue, C. Prodivência, J. da Providência, M. Yamamura
Prog. Theor. Phys. 117, 431-449 (2007)

91 - A refined numerical result on the first excitation energy in the two-level pairing model
Y. Tsue, C. Providência, J. da Providência, M. Yamamura
Prog. Theor. Phys. 117, 853-860 (2007)

92 - Classical and quantal descriptions of small amplitude fluctuations around equilibrium in the two-level pairing model
Y. Tsue, C. Providência, J. da Providência, M. Yamamura
Prog. Theor. Phys. 117, 835-851 (2007)

93 - Multi-quark interactions with a globaly stable vacuum
A.A. OSIPOV, B. HILLER and J. DA PROVIDÊNCIA
Phys. Lett. B 634, 48-54 (2006)

94 - Boson realization of the su(3) algebra. I - Schwinger representation for the Lipkin model
C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 115, 143-153 (2006)

95 - A new boson realization of the two-level pairing model in a many-fermion system and its classical counterpart - The role of the su(2) circle times su(1,1)-coherent state in the Schwinger boson representation of the su(2) circle times su(2)-algebra
C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 115, 739-757 (2006)

96 - A note on the two-level pairing model obeying the su(2) circle times su(2)- algebra - Re-formation on terms of the su(1,1) circle times su(1,1)- algebra
C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 115, 759-764 (2006)

97 - Boson realization of the su(3) algebra. III - Schwinger representation for the Elliott model
C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 115, 547-559 (2006)

98 - Boson realization of the su(3) algebra. IV - Holstein-Primakoff representation for the Lipkin model
C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 115, 155-164 (2006)

99 - Exact solution of the NJL model Hamiltonian on the Bethe ansatz
H. MORITA, H. ONISHI, J. DA PROVIDÊNCIA and S. NISHIYAMA
Nucl. Phys. B 737, 337-350 (2006)

100 - Schwinger representation approach to the Lipkin model.
Masatoshi Yamamura, Constança Providência, João da Providência, Flávio Cordeiro e Yasuhiko Tsue
J. Phys. A: Math. Gen. 39, 12457-12468 (2006)

101 - Two-level pairing model in the Schwinger representation.
Masatoshi Yamamura, Constança Providência, João da Providência, Flávio Cordeiro e Yasuhiko Tsue
J. Phys. A: Math. Gen. 39, 11193-11204 (2006)

102 - Short range correlations in relativistic nuclear matter models.
P. K. Panda, João da Providência e Constança Providência
Phys. Rev. C 73, 035805 (2006)

103 - On parametric resonance in quantum many-body system
Y. TSUE, J. DA PROVIDÊNCIA, A. KURIYAMA and M. YAMAMURA
Prog. Theor. Phys. 115, 129-141 (2006)

104 - The Lipkin model in the su(M+1) algebra for many-fermion system and the Schwinger boson representation
C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 114, 57-75 (2005)

105 - Electron-Ion Interaction in Atomic Clusters Put in a Laser Field
F.F. KARPESHIN and J. DA PROVIDÊNCIA
Bull. Russian Acad. Sci., Phys. Ser., No. 10 (English Transl.: USA). 69 (2005)

106 - J-orthostochastic matrices of size 3x3 and numerical ranges of Krein spaces operators
H. NAKAZATO, N. BEBIANO and J. DA PROVIDÊNCIA
Lin. Alg. Appl. 407, 211-232 (2005)

107 - Nuclear phenomena derived from quark-gluon strings.
Henrik Bohr, Constança Providência, and João da Providência
Phys. Rev. C 71, 055203 (2005)

108 - Gross-Pitaevski equation and resonances in Bose-Einstein condensates
J. DA PROVIDÊNCIA, A.R. SAKHEL, F.B. MALIK and H.R. GLYDE
Europhysics Letters 69, 920-923 (2005)

109 - Inequalities for J-hermitian matrices
N. BEBIANO, H. NAKAZATO, J. DA PROVIDÊNCIA, R. LEMOS and G. SOARES
Lin. Alg. Appl. 407, 125-139 (2005)

110 - On the geometry of numerical ranges in spaces with an indefinite inner product
N. BEBIANO, R. LEMOS, J. DA PROVIDÊNCIA, and G. SOARES
Lin. Alg. Appl. 399, 17-34 (2005)

111 - Relativistic equation of state with short range correlations.
P.K. Panda , D.P. Menezes, C. Providencia, and J. da Providencia
Braz. J. Phys. 35 (3B), 873 (2005)

112 - Aspects of short range correlations in a relativistic model.
P.K. Panda, D.P. Menezes, C. Providencia, J. da Providencia
Phys. Rev. C 71, 015801 (2005)

113 - On the eigenvalue problem of the su(1,1)-algebra and the couplig scheme of two su(1,1)-spins
S. NISHIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 113, 153 (2005)

114 - A note on the eigenvalue problem in the su(1,1)algebra
S. NISHIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 113, 555-562 (2005)

115 - A possible boson realization of the SO(4) and the SO(3,1) algebra
S. NISHIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 113, 563-580 (2005)

116 - The RPA equation embeded into infinte-dimensional Fock space F-infinty
S. NISHIYAMA, J. DA PROVIDÊNCIA and T. KOMATSU
J. Phys. A - Math. Gen. 38, 6759-6775 (2005)

117 - Electron-Phonon coupling and anharmonic effects in metal clusters
F. F. Karpeshin, J. da Providência, C. Providência, J. da Providência Jr.
Europhys. Lett. 67, 760-765 (2004)

118 - The Heisenberg antiferromagnet: an explicitly rotational invariant formulation
J. da Providência, M. Yamamura, C. Providência, M. Brajczewska and J. da Providência Jr.
Progress of Theoretical Physics 112, 383-397 (2004)

119 - Description of anharmonic effects with generalized coherent states
KURIYAMA, M. YAMAMURA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA and Y. TSUE “
J. Phys. A: Math. Gen. 37, 769-779 (2004)

120 - Coupling schemes for an su(2)-spin system
M. Yamamura, C. Providência, J. da Providência, Y. Tsue and J. da Providência Jr.
Prog. Theor. Phys. 112, 997-1012 (2004)

121 - Matrix Inequalities in Statistical Mechanics
N. Bebiano, J. da Providência Jr. and R. Lemos
Linear Algebra and its Applications 376, 265-273 (2004)

122 - A possible form of the orthogonal set in six kinds of boson operators. In relation to the su(2)- and its relevant algebras
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 109, 943-958 (2003)

123 - Deformed boson scheme stressing even-odd boson number difference. III - Parameter dependent deformation
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 111, 509-523 (2003)

124 - Deformed boson scheme stressing even-odd boson number difference. II - Unified forms of boson-pair coherent states in even- and odd-boson systems
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 110, 1071-1085 (2003)

125 - The su(1,1)-algebraic boson model in the deformed boson scheme - The second Holstein-Primakoff representation as q-deformed boson operator
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 109, 77-86 (2003)

126 - Imperfect bose system and its mixed state representation. II - Numerical analysis with a short range repulsive force
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 110, 757 (2003)

127 - On the boson number operator in the deformed boson scheme
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 109, 875-879 (2003)

128 - Deformed boson scheme stressing even-odd boson number difference. I - Various forms of boson-pair coherent state
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 110, 517-548 (2003)

129 - Note on the orthogonal set in six kinds of boson operators in relation to the su(1,1)- and its relevant algebras
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 109, 959-968 (2003)

130 - The Lipkin model. Beyond mean field with generalized coherent states
A. KURIYAMA, M. YAMAMURA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA and Y. TSUE
J. Phys. A: Math. Gen. 110, 10361 (2003)

131 - Beyond mean-field with generalized coherent states.
Atushi Kuriyama, Masatoshi Yamamura, Constança Providência, João da Providência e Yasuhiko Tsue
J. Phys. A 36, 10361 (2003)

132 - EOS of nuclear matter within a generalized NJL model
C. da PROVIDÊNCIA, J. DA PROVIDÊNCIA and S.A. MOSZKOWSKI
Int. J. Mod. Phys. B 17, 5209-5213 (2003)

133 - Even-odd effect on the thermal equilibrium state of the pairing model. I-Comparison between canonical and grand canonical ensembles
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Pog. Theor. Phys. 108, 533-543 (2002)

134 - Note on the deformed boson scheme in four kinds of boson operators
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE,
Prog. Theor. Phys. 108, 783-787 (2002)

135 - Deformed boson scheme in time-dependent variational method. III
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 107, 65-86 (2002)

136 - Two contrastive boson-pair coherent states in deformed boson scheme
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys, 107, 1279-1284 (2002)

137 - Deformed boson scheme including conventional q-deformation in time-dependent variational method. IV - The su(2)(q)- and the su(1,1)q-algebras in four kinds of boson operators
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 108, 323-346 (2002)

138 - On the multiboson coherent state in deformed boson scheme
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 107, 1273-1278 (2002)

139 - Pairing Model and Mixed State Representation – II
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys, 107, 43-63 (2002)

140 - Even-odd effect on the thermal equilibrium state of the pairing model. II - Mean field approximation and renormalized distribution
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 108, 545-558 (2002)

141 - Note on the Deformed Boson Scheme in Time-Dependent Variational Method
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 107, 443-448 (2002)

142 - Anharmonic effects in large-amplitude vibrations of metal clusters.
F.F. Karpeshin, J. da Providência, C. Providência e J. da Providência Jr
Eur. Phys. J. D18, 319 (2002)

143 - Microscopic theory of the two-dimensional quantum antiferromagnet in a paramagnetic phase
V.I. BELINICHER and J. DA PROVIDÊNCIA
Annals of Phys. 298, 186-209 (2002)

144 - A possible Realization of Lipkin Model for Many-Fermion System
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 105, 933-960 (2001)

145 - Canonical representation of mixed state and and irreducible representation of u(M) algebra
A. KURIYAMA, J. DA PROVIDÊNCIA and M. YAMAMURA
Prog. Theor. Phys. Suppl. 141, 243-284 (2001)

146 - Time evolution of the coherent and the squeezed states of many-body systems based on the basic idea of the boson mapping and the TDHF method
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. Suppl. 141, 113-178 (2001)

147 - Pairing Model and Mixed State Representation –I
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE, and M. YAMAMURA
Prog. Theor. Phys. 105, 729-747 (2001)

148 - Deformed Boson Scheme in Time-dependent varitational Method II.
A. Kuriyama, C. Providência, J. da Providência, Y. Tsue e M. Yamamura
Prog. Theor. Phys. 106, 765 (2001)

149 - Deformed Boson Scheme in Time-dependent varitational Method I.
A. Kuriyama, C. Providência, J. da Providência, Y. Tsue e M. Yamamura
Prog. Theor. Phys. 106, 751 (2001)

150 - Utility of su(1,1)-Algebra in a Schematic Nuclear su(2)-Model.
H. AKAIDE, Y. TSUE, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, A. KURIYAMA, and M. YAMAMURA
Prog. Theor. Phys 105, 717-728 (2001)

151 - McDonaldizar a Matemática da geração Nintendo?
N. Bebiano and J. da Providência Jr.
Millenium ano 6, no. 24, 89-100 (2001)

152 - Aproximate treatment of the time-dependent resonating Hartree-Fock theory. Aplication to the Lipkin model
S. NISHIYAMA, J. DA PROVIDÊNCIA and C. PROVIDÊNCIA
Acta Physica Polonica B 32, 1089-1093 (2001)

153 - Resonating mean field theoretical description of pi and sigma mesons by the Nambu-Jona-Lasinio model
S. NISHIYAMA, J. DA PROVIDÊNCIA and O. OHNO
Nucl. Phys. A688, 882-904 (2001)

154 - The Lipkin Model in a New Boson Realization
A. KURIYAMA, C. PROVIDÊNCIA, J. DA PROVIDÊNCIA, and M. YAMAMURA
Prog. Theor. Phys. 103, 733-745 (2000)

155 - An Orthogonal Set Constituted by Eight Kinds of Boson Operators
A. KURIYAMA, J. DA PROVIDÊNCIA, and M. YAMAMURA
Prog. Theor. Phys. 100, 259-263 (2000)

156 - On the Schwinger boson representation of an extended (M+1)(N+1)-dimensional algebra containing the su(m+1)- and su(n,1)-algebra
A. KURIYAMA, J. DA PROVIDÊNCIA, and M. YAMAMURA
Prog. Theor. Phys. 103, 285-303 (2000)

157 - A possible description of many-body systems composed of four kinds of boson operators - In relation to the su(2)- and su(1,1)-algebraic models
A. KURIYAMA, J. DA PROVIDÊNCIA, and M. YAMAMURA
Prog. Theor. Phys. 103, 305-319 (2000)

158 - A note on a boson realization in many-boson systems.
A. Kuriyama, C. Providência, J. da Providência and M. Yamamura
Prog. Theor. Phys. 104, 155 (2000)

159 - The Poleni machine of the Universities of Pádua and Coimbra
D. R. Martins and J. da Providência
Bulletin of Scientific Instruments Society 66, 22-25 (2000)

160 - Spin modes in polarized 3He clusters
E. P. Bashkin, C. Providência, J. da Providência,
Phys. Rev. B 62, 3968 (2000)

161 - Soliton formation in the Nambu-Jona-Lasinio model
J. DA PROVIDÊNCIA, H. WALLISER and H. WEIGEL
Nucl. Phys. A 671, 547 (2000)

162 - On the coupling of two su(1,1) spins in the Holstein-Primakoff type boson representation.
Kuriyama, C. Providência, J. da Providência e M. Yamamura
Prog. Theor. Phys. 104, 143 (2000)

163 - Long-wave fluctuations of the two-dimen-sional Heisenberg antiferromagnet
V.I. BELINICHER e J. DA PROVIDÊNCIA
Physica B 284-288, 1579-1580 (2000)

164 - Instability of the thermal equilibrium state of the Lipkin model Prog. .
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Theor. Phys. 101, 1001-1016 (1999)

165 - On the q-Boson Realization of the su_q(2) and su_q(1,1) algebras - The Marumori-Yamamura-Tokunaga Method”,
J. DA PROVIDÊNCIA, A. KURIYAMA, and M. YAMAMURA
Prog. Theor. Phys. 101, 139-145 (1999)

166 - Resonating mean field theoretic approach to the Nambu-Jona-Lasinio model
S. NISHIYAMA and J. DA PROVIDÊNCIA
Phys. Rev. C60, 065203 (1999)

167 - On the ternary fission of atomic clusters
47. F. F. Kharpeshin, A. Vieira, C. Fiolhais, and J. da Providência Jr.
Europhysics Letters 42, 149-153 (1998)

168 - A boson system interacting with an external harmonic oscillator
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 100, 1181-1202 (1998)

169 - Modification of the conventional Holstein-Primakoff boson representation for the su(1,1)-algebra and its classical counterpart
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 99, 819-829 (1998)

170 - A possible description of a many-body system composed of three kinds of boson operators - The su(2,1) boson model
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 100, 9931-1011 (1998)

171 - On the tripartition of atomic clusters
F. Kharpeshin, A. Vieira, C. Fiolhais, and J. da Providência Jr.
Europhysics Letters 42, 8182 (1998)

172 - Finite Temperature Effects in the Nonintegrable SU(3) Lipkin Model
M. O. Terra, M. C. Nemes, C. da Providência, J. da Providência
Ann. Phys. (NY) 262, 1 (1998)

173 - Numerical Ranges in Quantum Physics
N. BEBIANO e J. DA PROVIDÊNCIA
Linear and Multilinear Algebra 43, 327-337 (1998)

174 - Bounds for a ratio of matrix traces
N. BEBIANO, C.K. LI and J. DA PROVIDÊNCIA
IMAGE -The Bulletin of the International Linear Algebra Society 20, 23-25 (1998)

175 - A boson system interacting with an external harmonic oscillator. The su(1,1)-spin behaviour of the su(2)- spin system
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 98, 893-915 (1997)

176 - Three forms of the boson expansion for the su(2)-spin system and related classical counterparts
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 98, 381-392 (1997)

177 - Sir Rudolf Peierls
J. DA PROVIDÊNCIA
Zeit. fuer Physik - Condensed Matter B103, 127 (1997)

178 - Finite temperature SU(2) LMG model: mean field versus exact calculation.
L. Brito, C. da Providência, J. da Providência
Mod. Phys. Lett. A 12, 985 (1997)

179 - The soliton formation in sigma models
M. Fiolhais, J. da Providência, M. Rosina, and C. A. de Sousa
Physical Review C 56, 3311-3319 (1997)

180 - On the dual of a result of Miranda and Thompson
N. BEBIANO e J. DA PROVIDÊNCIA
Linear Algebra and its Applications 262, 119-129 (1997)

181 - Instanton picture of the spin tunneling in the LMG model.
V. Belinicher, C. Providência, J da Providência
J. Phys. A 30, 5633 (1997)

182 - Three forms of the boson expansion for the su(2)-spin system and their c-number counterparts
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 96, 387-406 (1996)

183 - Thermal effects in the Lipkin model III - Dynamical fluctuation of thermal equilibrium state
A. KURIYAMA, J. DA PROVIDÊNCIA, Y. TSUE and M. YAMAMURA
Prog. Theor. Phys. 96, 125-144 (1996)

184 - Thermal effect in Lipkin Model II: Grand partition Function and Mean Field Approximation
A. Kuriyama, J. da Providência, C. Providência, Y. Tsue, M. Yamamura
Prog. Theor. Phys. 95, 339 (1996)

185 - Finite temperature SU(3) LMG model: mean field versus exact calculation.
C. da Providência, J. da Providência, M. O. Terra
J. Phys. G 22, 351 (1996)

186 - A Relativistic Thomas-Fermi Description of Collective Modes in Droplets of Nuclear Matter
C. da Providência, L. Brito, J. da Providência, M. Nielsen, X. Viñas
Phys. Rev. C 54, 2525 (1996)

187 - Three-level Lipkin model in the context of the su_q(3) algebra.
L. Brito, C. Providência, J. da Providência, S. S. Avancini,F. F. de Souza Cruz, D. P. Menezes, M. M. Watanabe Moraes
Phys. Rev. A 52, 92 (1995)

188 - The q-deformed Moszkowski Model: high-spin states,
C. Providência, L. Brito, J. da Providência, D. Bonatsos, D. P. Menezes
J. Phys. G 20, 1209 (1994)

189 - Collective isospin excitations in nuclear matter droplets.
E. P. Bashkin, C. da Providência, J. da Providência
Phys. Rev. C 50, 2800 (1994)

190 - The numerical ranges of derivations and Quantum Physics
J. DA PROVIDÊNCIA
Linear and Multilinear Algebra 37, 213-220 (1994)

191 - Classical description of transverse modes in relativistic nuclear matter.
M. Nielsen, C. da Providência, J. da Providência, Wang-Ru Lin
Mod. Phys. Lett. A 10, 919 (1994)

192 - Temperature dependence of bifurcation of equilibria in the SU(2) Lipkin model.
M. O. Terra, A. H. Blin, B. Hiller, M. C. Nemes, C. Providência, J. da Providência
J. Phys. A 27, 697 (1994)

193 - Some Geometrical Properties of the c-Numerical Range of a Normal Matrix
N. BEBIANO e J. DA PROVIDÊNCIA
Linear and Multilinear Algebra 37, 83-92 (1994)

194 - The validity of Marcus-Oliveira Conjecture for Essentially Hermitians Matrices
N. BEBIANO, A. KOVACEC and J. DA PROVIDÊNCIA
Linear Algebra and its Applications () . 197-198, 411-427 (1994)

195 - Thermal linear response of the caotic maser model
A. H. Blin, B. Hiller, M. C. Nemes and J. da Providência
Journal of Physics A: Mathematical and General 26, 581 (1993)

196 - Classical q-deformation of the su(2) and Os(1)
C. da Providência, L. Brito, J. da Providência
J. Phys. A 26, 5835 (1993)

197 - The q-deformed Moszkowski Model: RPA modes
D. Bonatsos, L. Brito, D. Menezes, C. da Providência, J. da Providência
J. Phys. A 26, 895-corrigendum 5185 (1993)

198 - Mean field generation of the classical q-deformation of su(3)
J. DA PROVIDÊNCIA
J. Phys. A: Math. Gen. 26, 5845-5849 (1993)

199 - Mean field generation of the classical q-deformation of su(2)
J. DA PROVIDÊNCIA and C. QUESNE
Phys. Lett. A176, 403-408 (1993)

200 - Semi-Classical Description of Dynamical Properties of Mesonic Excitations in the Nambu-Jona-Lasinio Model
J. da Providência, M. C. Ruivo and C. A. de Sousa
Europhys. Lett. 21, 521-526 (1993)

201 - Discontinuous phase transition obtained with the thermal boson expansion for the Heisenberg ferromagnet
M. Brajczewska, C. Fiolhais and J. da Providência
Modern Physics Letters B 7, 821-827 (1993)

202 - Mesonic excitations in the linear sigma model
M. MALHEIRO, M.C. NEMES and J. DA PROVIDÊNCIA
International Journal of Modern Physics A8, 787-807 (1993)

203 - Collective modes in hot and dense matter.
M. Nielsen, C. Providência, J. da Providência
Phys. Rev C 47, 47 (1993)

204 - Products of diagonal elements of matrices
N. BEBIANO, C. K. LI and J. DA PROVIDÊNCIA
Linear Algebra and its Applications 178, 185-200 (1993)

205 - Some Results on the Numerical Range of a Derivation
N. BEBIANO, C.-K. LI and J. DA PROVIDÊNCIA
SIAM J. Matrix Anal. Appl. 14, 1084-1095 (1993)

206 - Finite temperature dynamics of the chaotic maser model
A. H. Blin, B. Hiller, M. C. Nemes and J. da Providência
J. Phys. A: Math.Gen. 25, 2243-2252 (1992)

207 - On the canonical equivalence of classical boson expansions for mixed states
A. KURIYAMA, J. DA PROVIDÊNCIA and M. YAMAMURA
Prog. Theor. Phys. 87, 1377-1386 (1992)

208 - Collective motion of nuclear mixed states: thermal boson expansions.
A. Kuriyama, M. Yamamura, J. da Providência, C. da Providência
Phys. Rev. C 45, 2196 (1992)

209 - Collective excitations of finite nuclear matter at finite temperature.
C. da Providência , J. da Providência
Phys. Lett B 295, 25 (1992)

210 - Cranked Moszkowski model with temperature
J. DA PROVIDÊNCIA, C. PROVIDÊNCIA and M.H. CALDEIRA
Phys. Rev. C 46, 2089-2101 (1992)

211 - Dynamical properties of hot nuclei: collective motion of mixed states in the Lipkin model.
J. da Providência, C. Providência, M. Yamamura e A. Kuriyama
Revista Mexicana de Físic 38, 33 (1992)

212 - Application of the canonical theory of mixed state to the description of bound state of the nucleus. II
M. YAMAMURA, J. DA PROVIDÊNCIA and A. KURIYAMA
Prog. Theor. Phys. 87, 911-925 (1992)

213 - Description of mixed states based on time-dependent Hartree-Fock theory. III
M. YAMAMURA, J. DA PROVIDÊNCIA and A. KURIYAMA
Prog. Theor. Phys. 87, 135-149 (1992)

214 - Vlasov dynamics of a semi-infinite system
J. DA PROVIDÊNCIA and L. P. BRITO
Phys. Rev. C 44, 2451-2455 (1991)

215 - Two types of Schroedinger time evolution in the formalism of thermofield dynamics and their equivalence to the Liouville-von-Neumann equation
J. DA PROVIDÊNCIA, M. YAMAMURA and A. KURIYAMA
Prog. Theor. Phys. 85, 939 (1991)

216 - The sigma -> pi pi decay width in the linear sigma model
M. NIELSEN and J. DA PROVIDÊNCIA
Phys. Lett. B271, 21-26 (1991)

217 - Collective modes in relativistic nuclear matter: a semiclassical approach.
M. Nielsen, C. Providência, J. da Providência
Phys. Rev. C 44, 209 (1991)

218 - Application of the canonical theory of mixed state to the description of bound state of the nucleus. I
M. YAMAMURA, J. DA PROVIDÊNCIA and A. KURIYAMA
Prog. Theor. Phys. 86, 419-428 (1991)

219 - The numerical range and the decomposable numerical range of matrices
N. BEBIANO, C. K. LI and J. DA PROVIDÊNCIA
Linear and Multilinear Algebra 29, 195-205 (1991)

220 - Description of mixed states based on time-dependent Hartree-Fock theory. II
A. KURIYAMA, J. DA PROVIDÊNCIA and M. YAMAMURA
Prog. Theor. Phys. 84, 1115-1125 (1990)

221 - Description of mixed states based on time-dependent Hartree-Fock theory. I
A. KURIYAMA, J. DA PROVIDÊNCIA and M. YAMAMURA
Prog. Theor. Phys. 84, 452-469 (1990)

222 - Mesonic excitations in the Nambu Jona-Lasinio quark-antiquark continuum
A.H. Blin, B. Hiller, J. da Providência
Phys. Lett. B241, 1 (1990)

223 - The cranked Moszkowski model at finite temperature.
C. Providência, H. Caldeira, J. da Providência
Phys. Lett. B 236, 375-380 (1990)

224 - Time Dependent Hartree-Fock Approach to the Bosonic Excitations of the Nambu-Jona-Lasinio Model in the Continuum
J. da Providência and C. A. de Sousa
Physics Letters B 237, 147-152 (1990)

225 - A note on thermal bosons
J. da Providência and C. Fiolhais
Nuclear Physics A 516, 53-61 (1990)

226 - Application of the thermal boson expansion to the Heisenberg antiferromagnet MnF2
M. Brajczewska, C. Fiolhais and J. da Providência
Physica B 160, 357-364 (1990)

227 - The pion resonance in the linear chiral sigma model
M. C. NEMES, M. NIELSEN, M. M. DE OLIVEIRA and J. DA PROVIDÊNCIA
Phys. Lett. B248, 21 (1990)

228 - A classical relativistic approach to the nucleation process
M. NIELSEN and J. DA PROVIDÊNCIA
J. of Phys. G16, 649-656 (1990)

229 - Classical microscopic theory of mixed states
M. YAMAMURA, J. DA PROVIDÊNCIA and A. KURIYAMA
Nucl. Phys. A514, 461-470 (1990)

230 - On the Random Phase Approximation based on the Thermo Field Dynamics formalism
M. Yamamura, J. da Providência, A. Kuriyama and C. Fiolhais
Progress of Theoretical Physics 83, 749-765 (1990)

231 - Equation of the collective submanifold with mixed states
15. M. Yamamura, J. da Providência, A. Kuriyama, and C. Fiolhais
Progress in Theoretical Physics 81, 1198-1216 (1989)

232 - Landau damping in infinite nuclear matter.
D.M. BRINK and J. DA PROVIDÊNCIA
Nucl. Phys. A500, 301-307 (1989)

233 - Collective and intrinsic degrees of freedom in the Heisenberg ferromagnet
J. da Providência, C. Fiolhais and M. Brajczewska
Journal of Physics A: Mathematical and General 22, 703-715 (1989)

234 - Relativistic Vlasov approach to normal modes of nuclear matter.
M. NIELSEN and J. DA PROVIDÊNCIA
Phys. Rev. C40, 2377 (1989)

235 - Equation of collective submanifold for mixed states
M. Yamamura, J. da Providência, A. Kuriyama and C. Fiolhais
Progress of Theoretical Physics 81, 1198-1216 (1989)

236 - Stability of relativistic Hartree states.
T. KOHMURA, Y. MIYAMA, T. NAGAI, S. ONAKA, J. DA PROVIDÊNCIA and T. KODAMA
Phys. Lett. B226, 207-212 (1989)

237 - Quantization of the adiabatic TDHF theory of large amplitude collective motion.
J. DA PROVIDÊNCIA and T.UNE
Prog. Theor. Phys. 79, 1273-1278 (1988)

238 - Vlasov description of the collision between two slabs
J. da Providência and C. Fiolhais
Journal of Physics G: Nuclear Physics 14, 205-210 (1988)

239 - Dispersion Relation of the Pion in the Nambu-Jona- Lasinio Model
J. da Providência, M. C. Ruivo and C. A. de Sousa
Phys. Rev. D 38, 2646-2647 (1988)

240 - On the boundary of the c-numerical range of a normal matrix.
N. BEBIANO and J. DA PROVIDÊNCIA
Linear and Multilinear Algebra 23, 145-157 (1988)

241 - Some remarks on a conjectura of de Oliveira
N. BEBIANO and J. DA PROVIDÊNCIA
Linear Algebra and its Applications 102, 241-246 (1988)

242 - Application of the thermal boson expansion to the Heisenberg ferromagnets EuO and EuS.
C. Fiolhais, M. Brajczewska and J. da Providência
Physica 147B, 249-258 (1987)

243 - Classical analogues of the RPA operators and the Vlasov equation
J. DA PROVIDÊNCIA
Journal de Physique Colloque C2 48, 45 (1987)

244 - Damping of giant resonances in a fluid-dynamical model
J. DA PROVIDÊNCIA
Europhys. Lett. 4, 789-792 (1987)

245 - Variational formulation of the Vlasov equation
J. da Providência and C. Fiolhais
Journal of Physics A 20, 3877-3886 (1987)

246 - Variational principles in quantum statistical mechanics
J. da Providência and C. Fiolhais
European Journal of Physics 8, 12-17 (1987)

247 - Time Dependent Hartree-Fock and the Excitations of the Dirac Sea
J. da Providência, M. C. Ruivo and C. A. de Sousa
Fizica 19, 8-12 (1987)

248 - Time Dependent Hartree-Fock Formalism and the Excitations of the Dirac Sea in the Nambu-Jona- Lasinio Model
J. da Providência, M. C. Ruivo and C. A. Sousa
Phys. Rev. D 36, 1882-2647 (1987)

249 - Van Kampen waves in extended Fermi systems and the random phase approximation
M. C. NEMES, A.F.R. de TOLEDO PIZA and J. DA PROVIDÊNCIA
Physica 46A, 282-294 (1987)

250 - On a conjecture of G. N. de Oliveira on determinants.
N. BEBIANO, J. K. MERIKOSKI and J. DA PROVIDÊNCIA
Linear and Multilinear Algebra 20, 167-170 (1987)

251 - Thermal boson expansion for the Heisenberg ferromagnet
M. Brajczewska, C. Fiolhais and J. da Providência
Physica 137A, 196-206 (1986)

252 - Matrices satisfying a conjecture of G.N. de Oliveira on determinants.
N. BEBIANO and J. DA PROVIDÊNCIA
Lin. Alg. Appl. 78, 187 (1986)

253 - On the determinant of certain strictly dissipative matrices.
N. BEBIANO and J. DA PROVIDÊNCIA
Lin. Alg. Appl. 83, 117 (1986)

254 - Mean-field theories with mixed states.
J. DA PROVIDÊNCIA and C. FIOLHAIS
Anales de Fisica A81 1, 26-31 (1985)

255 - Variational derivation of mean field theories with mixed states
J. da Providência and C. Fiolhais
Portugaliae Physica 16, 9-26 (1985)

256 - Variational Description of the interplay between first sound and zero sound in finite nuclei.
J. da Providência, L. P. Brito, C. Providência,
Il Nuovo Cimento 87A, 248 (1985)

257 - Theory of large amplitude collective vibrations. Classical analogue of the concept of collective path.
J. DA PROVIDÊNCIA and J. N. URBANO
Lect. Notes Phys. 171, 343 (1982)

258 - Investigations in the problem of pion-condensation using generator coordinate methods.
P. CHATTOPADHYAY and J. DA PROVIDÊNCIA
Nucl. Phys. A 370, 445 (1981)

259 - The many-body problem within the Lee model () .
D. SCHUETTE and J. DA PROVIDÊNCIA
Nucl. Phys. A 338, 463 (1980)

260 - Elementary approach to pion condensation
J. DA PROVIDÊNCIA
Nucl. Phys. A 328, 584 (1979)

261 - Pion-nucleon resonances and the Peierls-Yoccoz projection.
J. DA PROVIDÊNCIA and J. N. URBANO
Phys. Rev. D18, 4208 (1978)

262 - The generator coordinate method and the electron gas
JOHANSSON and J. DA PROVIDÊNCIA
Physica B & C 94, 152 (1978)

263 - Collective Hamiltonian in Adiabatic Approximation
A. Alves, L.P. Brito, M. H. Caldeira, J. M. Domingos, P. Martins, H. Pascoal, J. da Providência, M. C. Ruivo, E. M. Silva, C. A. de Sousa and J. N. Urbano
Prog. Theor. Phys. 58, 223-230 (1977)

264 - Note on the Applicability of the Peierls-Yoocoz Method
A. Alves, L.P. Brito, M. H. Caldeira, J. M. Domingos, P. Martins, H. Pascoal, J. da Providência, M. C. Ruivo, E. M. Silva, C. A. de Sousa and J. N. Urbano
Nucl. Phys. A 284, 420-424 (1977)

265 - Solvable model of boson condensation
D. SCHUETTE and J. DA PROVIDÊNCIA
Nucl. Phys. A282, 518 (1977)

266 - Hartree-Fock and generator coordinate methods in field theory. Description of pion condensation
J. DA PROVIDÊNCIA
Nucl. Phys. A 290, 435 (1977)

267 - Description of excited states in systems with short-range correlations
J. DA PROVIDÊNCIA and C. M. SHAKIN
Nucl. Phys. A242, 376 (1975)

268 - The Hartree-Fock and the Generator Coordinate Method in Field Theory: The Polaron Problem
J. da Providência , M. C. Ruivo and C. A. de Sousa
Ann. of Phys., N. Y. 91, 366-374 (1975)

269 - Connection between the generator coordinate method and boson expansions for odd-particle system
J. DA PROVIDÊNCIA
Nucl. Phys. A 224, 262 (1974)

270 - Beliaev-Zelevinsky type expansion about the Hartree-Fock minimum
E.R. MARSHALEK and J. DA PROVIDÊNCIA
Nuovo Cimento B 14, 32 (1973)

271 - Sum-rules, random-phase-approximation and constrained self-consistent fields
E.R. MARSHALEK and J. DA PROVIDÊNCIA
Phys. Rev. C7, 2281 (1973)

272 - Relativistic quantum field theory and the Hartree-Fock method
J. DA PROVIDÊNCIA
Nucl. Phys. B57, 536 (1973)

273 - Generator coordinate method and short-range correlations
J. DA PROVIDÊNCIA and C. M. SHAKIN
Z. Naturforsch A 28, 393 (1973)

274 - Three-body clusters in nuclear matter
J. DA PROVIDÊNCIA and C. M. SHAKIN
Phys. Rev. C5, 53 (1972)

275 - Three-body clusters in nuclear matter
J. DA PROVIDÊNCIA and C. M. SHAKIN
Phys. Rev. C6, 1455 (1972)

276 - Foundation of VMI models for ground state collective modes of double even nuclei
J. DA PROVIDÊNCIA and J. N. URBANO
Nucl. Phys. A 182, 174 (1972)

277 - Theorem for energy-weighted averages of spectroscopic factors
J. DA PROVIDÊNCIA and C. M. SHAKIN
Phys. Rev. Lett. 27, 1069 (1971)

278 - Cluster expansion for correlated wave functions of finite systems
J. DA PROVIDÊNCIA and C. M. SHAKIN
Phys. Rev. C4, 1560 (1971)

279 - Corrections to the gaussian overlap approximation. A new boson expansion
J. DA PROVIDÊNCIA, J. N. URBANO and L. S. FERREIRA
Nucl. Phys. A 170, 129 (1971)

280 - A remark on the relation between the generator coordinate method and the random-phase-approximation
J. DA PROVIDÊNCIA
Nucl. Phys. A 157, 358 (1970)

281 - Contribution of coherent quasiboson-approximation modes to ground-state correlation
J. DA PROVIDÊNCIA
Phys. Rev. C1, 411 (1970)

282 - Correction to electromagnetic transition rates due to ground-state correlations.
J. DA PROVIDÊNCIA and C. M. SHAKIN
J. Phys. Soc. Jpn. S24, 726 (1970)

283 - On the relation between the double projection method of Peierls and Thouless and Villars theory of nuclear collective rotations
J. DA PROVIDÊNCIA and J. N. URBANO
Nucl. Phys. A 145, 28 (1970)

284 - Remark on Villars theory of nuclear collective rotation and its relation to the variable moment of inertia model of Mariscotti et al.
J. DA PROVIDÊNCIA and J. N. URBANO
Nucl. Phys. A 158, 161 (1970)

285 - Nuclear ground-state correlations and boson expansions
J. DA PROVIDÊNCIA and J. WENESER
Phys. Rev. C1, 825 (1970)

286 - On the recoil of a nuclear target hit by a nucleon.
J. DA PROVIDÊNCIA
Nucl. Phys. A 127, 525 (1969)

287 - On the high frequency dielectric constant of the electron gas.
J. DA PROVIDÊNCIA
Phys. Lett. A 26, 630 (1968)

288 - Note on the convergence of the Beliaev-Zelevinsky expansion
J. DA PROVIDÊNCIA
Phys. Lett., 82 (1968)

289 - Odd nuclei, particle-phonon interaction and conservation laws
J. DA PROVIDÊNCIA
Phys. Lett. B 28, 88 (1968)

290 - Note on the correlation energy of a many-body system.
J. DA PROVIDÊNCIA
Nucl. Phys. A 116, 396 (1968)

291 - Corrections to electromagnetic transition rates due to ground-state correlations
J. DA PROVIDÊNCIA and C. M. SHAKIN
Nucl. Phys. A 108, 609 (1968)

292 - Corrections to the random phase approximation - 2. Dipole strength distribution from two 2-quasi-boson states in 12C.
J. DA PROVIDÊNCIA
Nucl. Phys. A “Correction”, Nucl. Phys. A110 (1968) 60, 696 (1967)

293 - Random phase approximation ground-state in agreement with the conservation laws Phys.
J. DA PROVIDÊNCIA
Phys. Lett. 22, 478 (1966)

294 - Corrections to the random phase approximation.
J. DA PROVIDÊNCIA
Nucl. Phys. 83, 209 (1966)

295 - Note on the ground-state wave function in the randum phase approximation.
J. DA PROVIDÊNCIA
Phys. Lett. 21, 668 (1966)

296 - Random phase approximation for systems with singular interactions
J. DA PROVIDÊNCIA and C. M. SHAKIN
Nucl. Phys. 65, 75 (1965)

297 - Determination of the correlation structure of nuclei via inelastic electron scattering
J. DA PROVIDÊNCIA and C. M. SHAKIN
Nucl. Phys. 65, 54 (1965)

298 - Some aspects of short range correlations in nuclei
J. DA PROVIDÊNCIA and C. M. SHAKIN
Ann. Phys. N. Y. 30, 95 (1964)

299 - Linked graph expansion for the logarithm of the norm of many body wave functions
J. DA PROVIDÊNCIA
Nucl. Phys. 44, 572 (1963)

300 - Cluster expansion of operator averages for systems of many particles
J. DA PROVIDÊNCIA
Nucl. Phys. 46, 401 (1963)

301 - Perturbation theory in nuclear matter with regular but velocity dependent interactions
J. DA PROVIDÊNCIA
Nucl. Phys. 40, 321 (1963)

302 - Intrinsic symmetries of nuclear rotational states
J. DA PROVIDÊNCIA
Nucl. Phys. 38, 597 (1962)

303 - A variational principle for Brueckner theory
J. DA PROVIDÊNCIA
Nucl. Phys. 36, 169 (1962)

304 - Perturbation theory in finite nuclei
J. DA PROVIDÊNCIA
Proc. Phys. Soc. Lond. 77, 81 (1961)

Portuguese Journals

305 - Matéria e anti-matéria e as aventuras do intrépido Agente Spiff; Variações sobre um tema de J. Dias de Deus e Teresa Peña
J. da Providência
Gazeta de Física 24, fasc. 3, 45-46 (2001)

306 - The problem of spurious color bound states in Nambu Jona-Lasinio type lagrangians
A.H. Blin, B. Hiller, J. da Providência
Port. Phys. 21, 15 (1992)

Proceedings

International Conferences

307 - Quark spin polarization and spontaneous magnetization in high density quark matter
Y. Tsue, J. da Providência, C. Providência, M. Matsuoka, M. Yamamura, H. Bohr
PoS(INPC2016), 339 (2016)

308 - Impact of eight-quark interactions in chiral phase transitions I: Secondary magnetic catalysis.
A.A. Osipov, B. Hiller, A.H. Blin, J. da Providencia
Proceedings of the 13th International Conference on Selected Problems of Modern Theoretical Physics (SPMTP 08): Dedicated to the 100th Anniversary of the Birth of D.I. Blokhintsev (1908-1979), Dubna, Russia, 23-27 Jun 2008., 347-349 (2009)

309 - Effective multiquark interactions for low energy QCD, Invited talk presented at ”Quark confinement and the hadron spectrum VII”, Ponta Delgada, Açores, 2-7 Set, 2006. Also in *Ponta Delgada 2006, Quark confinement and the hadron spectrum*
B. Hiller, A.A. Osipov, A. Blin, J. da Providencia
AIP Conf.Proc.:hep-ph/0611053 892, 271-273 (2007)

310 - Stable multiquark interactions
B. Hiller, A.A. Osipov, A.H. Blin, J. da Providencia
Proceedings of “Quark Confinement and the Hadron Spectrum VII”, Açores, Portugal, AIP Conf.Proc. 892, 271 (2007)

311 - Nuclear Matter Mean Field with Extended NJL Model.
C. Providência, J. M. Moreira, J. da Providência and S. A. Moszkowski
Hadron Physics: Effective theories of low energy QCD, eds. A. Blin, B. Hiller, M. C. Ruivo, E. van Beveren, AIP Conference Proceedings, New York 660, 231-241 (2003)

312 - Neutron Rich Matter Within Relativistic Mean-Theory Field
C. Providência, L. Brito, J. M. Moreira, J. da Providência, D. P. Menezes and
Condensed Matter Theories, J. da Providência, C. Fiolhais, J. Clark and Malik(Eds), Nova Science Publishers, New York 17, 355 (2003)

313 - Neutron Rich Matter Within Relativistic Mean-Field Theory
a. C. Providência, L. Brito, J. M. Moreira, J. da Providência, D. P. Menezes, S. A. Moszkowski
Condensed Matter Theories, Nova Science Publishers, New York 18 18, 355-365 (2003)

314 - EOS of nuclear matter within a generalized NJL model.
C. Providência, João da Providência e S. Moszkowski
Proceedings of the 11th International Conferences on Recent Progress in Many-Body Theories´´, Raymond F. Bishop, Klaus A. Gernoth, Niels R. Walet e Yang Xian (Eds), World Scientific, Singapura (2002)

315 - Mean field approach to quark matter in the NJL model.
S. Moszkowski, C. Providência e João da Providência
150 Years of Quantum Many-Body Theory, R. F. Bishop, K. A. Gernoth e N. R. Walet (Eds), World Scientific, Singapura (2001)

316 - Soliton formation in the NJL model
João da Providência, Hans Walliser, Célia A. de Sousa e Mitja Rosina
Proceedings of the XXII International Workshop in Condensed Matter Theory, Vanderbilt, University, Nashville, Tennesse (1998)

317 - The su_q(3) algebra: application to the 3-level Lipkin model.
L. Brito, C. Providência, J. da Providência, S. S. Avancini, F. F. de Souza Cruz, D. P. Menezes e M. M. Watanabe Moraes
Proceedings of the IV Wigner Symposium, Natigb M. Atakishiyev, Thomas H. Seligman and Kurt Bernardo Wolf (Eds),World Scientific, Singapura, 54 (1996)

318 - Temperature dependence of bifurcation of equilibria in SU(2) Lipkin model
M. O. Terra, A. H. Blin, B. Hiller, M. C. Nemes, C. Providênciae J. da Providência
Proceedings of the International Conference on Many-Body Physics, C. Fiolhais, M. Fiolhais, C. Sousa e J. D. Urbano (Eds), World Scientific, Singapura, 1994, p. ., 323 (1994)

319 - Relativistic Vlasov Equation.
M. Nielsen, C. Providência e J. da Providência
2nd International Workshop in Relativistic Aspects of Nuclear Physics, T. Kodama, Y. Hama, K. C. Chung, S. J. B. Duarte e M. C. Nemes (Eds), World Scientific, Singapura, 376 (1992)

Communications

Invited

320 - The Nambu-Jona-Lasinio model in the TDHF formalism
J. da Providência. M. C. Ruivo and C. A. de Sousa
I Encontro Luso-Soviético de Física Nuclear Lisboa, Novembro (1990)

321 - Time-Dependent Hartree-Fock and the Excitations of the Dirac Sea
J. da Providência, M. C. Ruivo and C. A. de Sousa
Workshop on Meson Degrees of Freedom in Hadrons Bled/Ljubljana, Jugoslávia 1987 (1987)

Oral

322 - Extended NJL model with eight-quark interactions
A.A. Osipov, B. Hiller, A.H. Blin, J. Moreira, J. da Providência
Talk (AAO) at Mini-Workshop Bled 2009: Problems in Multi-Quark States, Bled, Slovenia, http://www-f1.ijs.si/Bled2009/talks/osipov.pdf (2009)

Poster

323 - Eight-quark interactions as a chiral thermometer
J. Moreira, A.A. Osipov, B. Hiller, A.H. Blin, J. da Providência
Quark Matter 2008, Jaipur, India (2008)

Thesis supervised

Knowledge Transfer

Projects

• CERN/FP/109316/2009 - Asymmetric nuclear matter: from the lab to neutron stars
• CERN/FP/83505/2008 - Asymmetric nuclear matter: from the lab to neutron stars
• From particles to compact stars
• Matter in vacuum and under extreme conditions
• POCI/FP/63918/2005 Phase transitions in hadronic matter with applications to astrophysics
• POCI/FP/81923/2007 - Asymmetric nuclear matter: from the lab to neutron stars
• Stellar matter at subsaturation densities: neutron star crust and supernova

Management

Outreach

International Collaborations