My research activity has been centered in the lattice formulation of Quantum Chromodynamics. My research topics have been diverse, ranging from the infrared behaviour of QCD Green functions, to algorithms for gauge fixing and dynamical fermion simulations, and to effective models for QCD using lattice input.

Research Highlights

• Faddeev-Popov matrix in linear covariant gauge: First results
  Attilio Cucchieri, David Dudal, Tereza Mendes, Orlando Oliveira, Martin Roelfs, Paulo J. Silva
  Phys.Rev. D 98, 091504 (R) (2018)
• Further Evidence For Zero Crossing On The Three Gluon Vertex
  Anthony G. Duarte, Orlando Oliveira, Paulo J. Silva
  Pays. Rev. D94, 074502 (2016)
• Lattice Gluon and Ghost Propagators, and the Strong Coupling in Pure SU(3) Yang-Mills Theory: Finite Lattice Spacing and Volume Effects
  Anthony G. Duarte, Orlando Oliveira, Paulo J. Silva
  Phys. Rev. D 94, 014502 (2016)
• Gluon Dynamics, Center Symmetry and the deconfinement phase transition in SU(3) pure Yang-Mills theory
  P. J. Silva, O. Oliveira
  Phys. Rev. D 93, 114509 (2016)
• Gluon screening mass at finite temperature from Landau gauge gluon propagator in lattice QCD
  P. J. Silva, O. Oliveira, P. Bicudo, N. Cardoso
  Phys Rev D 89, 074503 (2014)
• Improving dynamical lattice QCD simulations through integrator tuning using Poisson brackets and a force-gradient integrator
  M. A. Clark, Bálint Joó, A. D. Kennedy, P. J. Silva
  Phys. Rev. D 84, 071502(R) (2011)

Publications [LaTeX]

Papers

International Journals

1 - Quark-gluon vertex from $N_f = 2$ lattice QCD
Ayse Kızılersu, Orlando Oliveira, Paulo J. Silva, Jon-Ivar Skullerud, Andre Sternbeck
Phys. Rev. D 103, 114515 (2021)

2 - $H(4)$ tensor representations for the lattice Landau gauge gluon propagator and the estimation of lattice artefacts
G. T. R. Catumba, O. Oliveira, P. J. Silva
Phys. Rev. D 103, 074501 (2021)

3 - The lattice Landau gauge photon propagator for 4D compact QED
Lee C. Loveridge, Orlando Oliveira, Paulo J. Silva
Phys. Rev. D 103, 094519 (2021)

4 - Lattice pure gauge compact QED in the Landau gauge: The photon propagator, the phase structure, and the presence of Dirac strings
Lee C. Loveridge, Orlando Oliveira, Paulo J. Silva
Phys. Rev. D 104, 114511 (2021)

5 - Non-perturbative BRST symmetry and the spectral structure of the ghost propagator
Shirley Weishi Li, Peter Lowdon, Orlando Oliveira, Paulo J. Silva
Phys. Lett. B 823, 136753 (2021)

6 - The analytic structure of the lattice Landau gauge gluon and ghost propagators
Alexandre F. Falcão, O. Oliveira, Paulo J. Silva
Phys. Rev. D 102, 114518 (2020)

7 - Spectral representation of lattice gluon and ghost propagators at zero temperature
D. Dudal, O. Oliveira, M. Roelfs, P. J. Silva
Nucl. Phys. B 952, 114912 (2020)

8 - The generalised infrared structure of the gluon propagator
Shirley Weishi Li, Peter Lowdon, Orlando Oliveira, Paulo J. Silva
Phys. Lett. B 803, 135329 (2020)

9 - Finite temperature Landau gauge lattice quark propagator
Orlando Oliveira, Paulo J. Silva
Eur. Phys. J. C 79(9), 793 (2019)

10 - Quark propagator with two flavors of $\mathcal{O}(a)$-improved Wilson fermions
Orlando Oliveira, Paulo J. Silva, Jon-Ivar Skullerud, Andre Sternbeck
Phys. Rev. D 99, 094506 (2019)

11 - Faddeev-Popov matrix in linear covariant gauge: First results
Attilio Cucchieri, David Dudal, Tereza Mendes, Orlando Oliveira, Martin Roelfs, Paulo J. Silva
Phys.Rev. D 98, 091504 (R) (2018)

12 - High precision statistical Landau gauge lattice gluon propagator computation vs. the Gribov–Zwanziger approach
D. Dudal, O. Oliveira, P. J. Silva
Annals Phys. 397 397, 351 (2018)

13 - Reply to Comment on Lattice Gluon and Ghost Propagators, and the Strong Coupling in Pure SU(3) Yang-Mills Theory: Finite Lattice Spacing and Volume Effects
Anthony G Duarte, Orlando Oliveira, Paulo J. Silva
Phys. Rev. D 96, 098502 (2017)

14 - Gluon and Ghost Dynamics from Lattice QCD
O. Oliveira, A. G. Duarte, D. Dudal, P. J. Silva
Few B Syst 58, 99 (2017)

15 - Lattice QCD static potentials of the meson-meson and tetraquark systems computed with both quenched and full QCD
P. Bicudo, M. Cardoso, O. Oliveira, P. J. Silva
Phys Rev D 96, 074508 (2017)

16 - Gluons at finite temperature
P. J. Silva, O. Oliveira, D. Dudal, P. Bicudo, N. Cardoso
Few Body Syst. 58, 127 (2017)

17 - Lattice Gluon and Ghost Propagators, and the Strong Coupling in Pure SU(3) Yang-Mills Theory: Finite Lattice Spacing and Volume Effects
Anthony G. Duarte, Orlando Oliveira, Paulo J. Silva
Phys. Rev. D 94, 014502 (2016)

18 - Further Evidence For Zero Crossing On The Three Gluon Vertex
Anthony G. Duarte, Orlando Oliveira, Paulo J. Silva
Pays. Rev. D94, 074502 (2016)

19 - Gluon Dynamics, Center Symmetry and the deconfinement phase transition in SU(3) pure Yang-Mills theory
P. J. Silva, O. Oliveira
Phys. Rev. D 93, 114509 (2016)

20 - The lattice gluon propagator in renormalizable ξ gauges
P. Bicudo, D. Binosi, N. Cardoso, O. Oliveira, P. J. Silva
Phys. Rev. D 92, 114514 (2015)

21 - Källén-Lehmann spectroscopy for (un)physical degrees of freedom
D. Dudal, O. Oliveira, P. J. Silva
Phys Rev. D 89, 014010 (2014)

22 - Gluon screening mass at finite temperature from Landau gauge gluon propagator in lattice QCD
P. J. Silva, O. Oliveira, P. Bicudo, N. Cardoso
Phys Rev D 89, 074503 (2014)

23 - Shadow Hamiltonians, Poisson Brackets, and Gauge Theories
A. D. Kennedy, P. J. Silva, M. A. Clark
Phys. Rev. D 87, 034511 (2013)

24 - Landau Gauge Fixing on GPUs
N. Cardoso, P. J. Silva, P. Bicudo, O. Oliveira
Comp. Phys. Comm. 184, 124 (2013)

25 - Lattice Landau gauge gluon propagator: lattice spacing and volume dependence
O. Oliveira, P. J. Silva
Phys. Rev. D 86, 114513 (2012)

26 - Improving dynamical lattice QCD simulations through integrator tuning using Poisson brackets and a force-gradient integrator
M. A. Clark, Bálint Joó, A. D. Kennedy, P. J. Silva
Phys. Rev. D 84, 071502(R) (2011)

27 - What Does Low Energy Physics Tell Us About The Zero Momentum Gluon Propagator
Pedro Costa, O. Oliveira, P. J. Silva
Phys. Lett. B 695, 454-458 (2011)

28 - Infrared Gluon and Ghost Propagators Exponents From Lattice QCD
O. Oliveira, P. J. Silva
EPJC 62, 525-534 (2009)

29 - Does The Lattice Zero Momentum Gluon Propagator for Pure Gauge SU(3) Yang-Mills Theory Vanish in the Infinite Volume Limit?
O. Oliveira, P. J. Silva
Phys. Rev. D 79, 031501(R) (2009)

30 - Just how different are SU(2) and SU(3) Landau propagators in the IR regime?
A. Cucchieri, T. Mendes, O. Oliveira, P. J. Silva
Phys. Rev. D 76, 114507 (2007)

31 - Just how different are SU(2) and SU(3) Landau propagators in the IR regime?
A. Cucchieri, T. Mendes, O. Oliveira, P. J. Silva
Phys. Rev. D76, 114507 (2007)

32 - Comparing Pure Yang-Mills SU(2) and SU(3) Propagators
A. Cucchieri, T. Mendes. O. Oliveira, P. J. Silva
Int. Jour. Mod. Phys E 16, 2931 (2007)

33 - Infrared Gluon and Ghost Propagators from Lattice QCD. Results from large asymmetric lattices
O. Oliveira, P. J. Silva
EPJA 31, 790 (2007)

34 - Exploring the infrared gluon and ghost propagators using large asymmetric lattices
O. Oliveira, P. J. Silva
Braz. J. Physics 37, 201-207 (2007)

35 - Infrared Gluon Propagator: Results from large asymmetric lattices
P. J. Silva, O. Oliveira
Phys. Rev. D 74, 034513 (2006)

36 - A global optimization method for Landau gauge fixing in Lattice QCD
O. Oliveira, P. J. Silva
Comp. Phys. Comm. 158, 73-88 (2004)

37 - Gribov copies, Lattice QCD and the gluon propagator
P. J. Silva, O. Oliveira
Nucl. Phys. B 690, 177-198 (2004)

38 - Gribov copies and gauge fixing in lattice gauge theories
O. Oliveira, P. J. Silva
Nuclear Physics B Proceedings Supplements 106, 1088-1090 (2002)

Proceedings

International Conferences

39 - Computation of the Kugo-Ojima function from lattice simulations
N. Brito, O. Oliveira, P.J. Silva, J. Papavassiliou, Ferreira M.N., A.C. Aguilar
PoS LATTICE2023 (2023)

40 - The four-gluon vertex in Landau gauge
M. Colaço, O. Oliveira, Paulo J. Silva
PoS LATTICE2023, 151 (2023)

41 - The quark propagator and quark-gluon vertex from lattice QCD at finite temperature
J. Marques Leal Junior, G. Kalusche, T. Mendes, J.I. Skullerud, O. Oliveira, P. J. Silva
PoS LATTICE 2022, 280 (2023)

42 - Another look at the Landau gauge three-gluon vertex
G. T. R. Catumba, O. Oliveira, P. J. Silva
EPJ Web Conf 258 (2022)

43 - Another look at the three-gluon vertex in the minimal Landau gauge
G. T. R. Catumba, O. Oliveira, P. J. Silva
PoS LATTICE2021, 467 (2022)

44 - Confinement/Deconfinement in 4D compact QED on the lattice
L. C. Loveridge, O. Oliveira, P. J. Silva
PoS LATTICE2021, 351 (2022)

45 - Compact QED: the photon propagator, confinement and positivity violation for the pure gauge theory
Orlando Oliveira, Lee C. Loveridge, Paulo J. Silva
EPJ Web Conf. 274, 02004 (2022)

46 - Deconfinement in pure gauge SU(3) Yang-Mills theory: the ghost propagator
Orlando Oliveira, Vítor Paiva, Paulo Silva
EPJ Web Conf. 274, 05008 (2022)

47 - Quark-gluon vertex with 2 flavours of O(a) improved Wilson fermions
Ayse Kızılersü, Orlando Oliveira, Paulo Silva, Jon-Ivar Skullerud, André Sternbeck
arXiv:2111.13455 [hep-lat] (2021)

48 - Lattice artefacts on the Landau gauge gluon propagator from hypercubic tensor representations
Guilherme Catumba, Orlando Oliveira, Paulo J. Silva
arXiv:2111.15022 [hep-lat] (2021)

49 - Another look at the Landau gauge three-gluon vertex
Guilherme Catumba, Orlando Oliveira, Paulo J. Silva
arXiv: 2111.10312 [hep-lat] (2021)

50 - Another look at the three-gluon vertex in the minimal Landau gauge
Guilherme T. R. Catumba, Orlando Oliveira, Paulo J. Silva
arXiv:2111.06375 [hep-lat] (2021)

51 - Confinement/Deconfinement in 4D compact QED on the lattice
Lee C. Loveridge, Orlando Oliveira, Paulo J. Silva
arXiv:2111.08143 [hep-lat] (2021)

52 - Looking at the analytic structure of Landau gauge propagators
Orlando Oliveira, Alexandre Falcão, Paulo J. Silva
arXiv:2111.04320 [hep-lat] (2021)

53 - Lattice computation of the quark propagator in Landau gauge at finite temperature
Paulo J. Silva, Orlando Oliveira
PoS LATTICE2019, 047 (2020)

54 - Ghost Sector in Minimal Linear Covariant Gauge
Attilio Cucchieri, David Dudal, Tereza Mendes, Orlando Oliveira, Martin Roelfs, Paulo J. Silva
PoS Confinement2018, 043 (2018)

55 - Lattice Computation of the Ghost Propagator in Linear Covariant Gauges
Attilio Cucchieri, David Dudal, Tereza Mendes, Orlando Oliveira, Martin Roelfs, Paulo J. Silva
PoS LATTICE2018, 252 (2018)

56 - High Precision Statistical Landau Gauge Lattice Gluon Propagator Computation
David Dudal, Orlando Oliveira, Paulo J. Silva
PoS LATTICE2018, 321 (2018)

57 - Lattice Landau gauge quark propagator at finite temperature
Paulo J. Silva, Orlando Oliveira
PoS Confinement2018, 163 (2018)

58 - Triple-gluon and quark-gluon vertex from lattice QCD in Landau gauge
A. Sternbeck, P.-H. Balduf, A. Kızılersü, O. Oliveira, P. J. Silva, J. Skullerud, A. G. Williams
PoS LATTICE2016, 349 (2017)

59 - Finite temperature gluon propagator in Landau gauge: non-zero Matsubara frequencies and spectral densities
Paulo J. Silva, Orlando Oliveira, David Dudal, Martin Roelfs
EPJ Web of Conferences 175, 07038 (2017)

60 - Lattice Landau gauge gluon propagator at finite temperature: non-zero Matsubara frequencies and spectral densities
Paulo J. Silva, Orlando Oliveira, David Dudal, Martin Roelfs
Acta Phys. Polon. Supp. 10, 995 (2017)

61 - Landau gauge gluon vertices from Lattice QCD
A. G. Duarte, O. Oliveira, P. J. Silva
Proceedings of Science LATTICE2016, 351 (2016)

62 - Lattice Landau gauge quark propagator and the quark-gluon vertex
Orlando Oliveira, Ayse Kızılersu, Paulo J. Silva, Jon-Ivar Skullerud, Andre Sternbeck, Anthony G. Williams
Acta Phys.Polon.Supp. 9, 363-368 (2016)

63 - Z(N) dependence of the pure Yang-Mills gluon propagator in the Landau gauge near Tc
O. Oliveira, P. J. Silva
PoS LATTICE2014, 355 (2015)

64 - Gauge fixing and the gluon propagator in renormalizable xi gauges
P. Bicudo, D. Binosi, N. Cardoso, O. Oliveira, P. J. Silva
PoS LATTICE2015, 317 (2015)

65 - Aspects of gluon propagation in Landau gauge: spectral densities, and mass scales at finite temperature
Paulo J. Silva, O. Oliveira, D. Dudal, P. Bicudo, N. Cardoso
Acta Physica Polonica B Proceedings Supplement 8, 119-124 (2015)

66 - Gluon mass at finite temperature in Landau gauge
P. Bicudo, O. Oliveira, P. J. Silva, N. Cardoso
PoS LATTICE 2013, 368 (2014)

67 - Many faces of the Landau gauge gluon propagator at zero and finite temperature: positivity violation, spectral density and mass scales
P. J. Silva, O. Oliveira, D. Dudal, P. Bicudo, N. Cardoso
PoS QCD-TNT-III, 040 (2014)

68 - (Lattice) Propagators and Extraction of Spectral Densities
D. Dudal, O. Oliveira, P. J. Silva
PoS Confinement X, 033 (2013)

69 - Landau gauge fixing on the lattice using GPUs
N. Cardoso, P. J. Silva. O. Oliveira, P. Bicudo
PoS Confinement X, 336 (2013)

70 - The lattice gluon propagator in Landau gauge at zero and finite temperature
P. J. Silva, O. Oliveira
PoS Confinement X, 045 (2013)

71 - Spectral densities from the lattice
Paulo J. Silva, D. Dudal, O. Oliveira
PoS Lattice 2013, 366 (2013)

72 - Gluon mass at finite temperature in Landau gauge
Pedro Bicudo, Orlando Oliveira, Paulo Silva, Nuno Cardoso
PoS Lattice 2013, 368 (2013)

73 - Landau Gauge Fixing on GPUs and String Tension
N. Cardoso, P. Bicudo, P. J. Silva, O. Oliveira
Acta Physica Polonica B Proceedings Supplement 5, 1135-1141 (2012)

74 - GPU implementation of a Landau gauge fixing algorithm
Nuno Cardoso, Paulo J. Silva, Orlando Oliveira, Pedro Bicudo
PoS Lattice2012, 245 (2012)

75 - Glueball spectral densities from the lattice
O. Oliveira, D. Dudal, P. J. Silva
PoS Lattice 2012, 214 (2012)

76 - The Landau gauge gluon propagator at zero and finite temperature: accounting for the combined finite lattice spacing and finite volume effects
O. Oliveira, P. J. Silva
PoS Lattice 2012, 216 (2012)

77 - The lattice Landau gauge gluon propagator at zero and finite temperature
O. Oliveira, P. J. Silva
Acta Physica Polonica B Proceedings Supplement 5, 1039-1044 (2012)

78 - Some properties of two Nambu-Jona-Lasinio -type models with inputs from lattice QCD
P. Costa, C. A. de Sousa, M. C. Ruivo, O. Oliveira, P. J. Silva, and H. Hansen
Acta Physica Polonica B Proceedings Supplement 5 no.4, 1083-1088 (2012)

79 - Towards the continuum limit of the lattice Landau gauge gluon propagator
O. Oliveira, P. J. Silva
AIP Conf. Proc. 1343, 194 (2011)

80 - What Lattice QCD tell us about the Landau Gauge Infrared Propagators
O. Oliveira, P. J. Silva, P. Bicudo
PoS (FacesQCD), 009 (2011)

81 - String Tension at Finite Temperature Lattice QCD
P. Bicudo, N. Cardoso, O. Oliveira, P. J. Silva
PoS (Lattice 2011), 300 (2011)

82 - What does low energy physics tell us about the zero momentum gluon propagator?
P. Costa, O. Oliveira, P. J. Silva
AIP Conf. Proc. 1343, 617 (2011)

83 - Better HMC integrators for dynamical simulations
M. A. Clark, Balint Joo, A. D. Kennedy, P. J. Silva
PoS Lattice 2010, 323 (2010)

84 - Unquenching the Landau Gauge Lattice Propagators and the Gribov Problem
P. J. Silva, O. Oliveira
PoS Lattice 2010, 287 (2010)

85 - The lattice infrared Landau gauge gluon propagator: from finite volume to the infinite volume
O. Oliveira, P. J. Silva
Pos QCD-TNT09, 33 (2009)

86 - The lattice infrared Landau gauge gluon propagator: the infinite volume limit
O. Oliveira, P. J. Silva
PoS LAT2009, 226 (2009)

87 - SU(2) meets SU(3) in lattice-Landau-gauge gluon and ghost propagators
A. Cucchieri, T. Mendes, O. Oliveira, P. J. Silva
PoS LATTICE2007, 322 (2007)

88 - Infrared exponents of gluon and ghost propagators from Lattice QCD
O. Oliveira, P. J. Silva
PoS LATTICE 2007, 332 (2007)

89 - The gluon propagator from large asymmetric lattices
O. Oliveira, P. J. Silva, E.-M. Ilgenfritz, A. Sternbeck
PoS LATTICE2007, 323 (2007)

90 - Gauge fixing methods and Gribov copies effects in lattice QCD
P. J. Silva, O. Oliveira
PoS LATTICE 2007, 333 (2007)

91 - Studying the infrared behaviour of gluon and ghost propagators using large asymmetric lattices
P. J. Silva, O. Oliveira
AIP Conf. Proc. 892, 220 (2007)

92 - Fitting the lattice gluon propagator and the question of positivity violation
P. J. Silva, O. Oliveira
AIP Conf. Proc. 892, 529 (2007)

93 - Exploring the infrared Landau gauge propagators using large asymmetric lattices
P. J. Silva, O. Oliveira
PoS LAT2006, 075 (2006)

94 - Finite volume effects in the gluon propagator
O. Oliveira, P. J. Silva
PoS LAT2005, 287 (2005)

95 - The Infrared Landau Gauge Gluon Propagator from Lattice QCD
O. Oliveira, P. J. Silva
AIP Conf. Proc. 756, 290 (2005)

96 - The IR gluon propagator from lattice QCD
P. J. Silva, O. Oliveira
PoS LAT2005, 286 (2005)

Communications

Invited

97 - Lattice Landau gauge quark propagator and quark-gluon vertex
O. Oliveira, A. Kizilersu, M. Mueller-Preussker, P. J. Silva, J. Skullerud, A. Sternbeck, A. G. Williams
Many manifestations of nonperturbative QCD, Ilha Bela, Brazil (2016)

98 - Gluon and Ghost Dynamics From Lattice QCD
Orlando Oliveira, Anthony G. Duarte, David Dudal, Paulo J. Silva
Light Cone 2016, Lisbon, Portugal 2016 (2016)

99 - Landau Gauge Gluon Function from Lattice QCD
O. Oliveira, P. J. Silva
T(r)opical QCD, Port Douglas, Queensland, Australia, 27 Julho - 2 Agosto 2008 (2008)

Oral

100 - Lattice computation of the Kugo-Ojima function
N. Brito, O. Oliveira, P.J. Silva, J. Papavassiliou, Ferreira M.N., A.C. Aguilar
From first-principles QCD to experiments, Trento, Italy, 24 May (2023)

101 - Compact QED: the photon propagator, confinement and positivity violation for the pure gauge theory
Lee Loveridge, Orlando Oliveira, Paulo Silva
The XVth Quark confinement and the Hadron spectrum conference, Stavanger, Norway, August 1-6 2022 (2022)

102 - Looking at the analytic structure of Landau gauge propagators
Alexandre F. Falcão, Orlando Oliveira, Paulo J. Silva
The 38th International Symposium on Lattice Field Theory, 26-30 July (LATTICE 2021) (2021)

103 - Quark Gluon Vertex from N_F=2 Lattice QCD
Ayse Kisilersu, Jonivar Skullerud, Orlando Oliveira, Andre Sternbeck, Paulo Silva
A Virtual Tribute to Quark Confinement and the Hadron Spectrum, 02-06 August (2021)

104 - Another look at the three-gluon vertex in the minimal Landau gauge
Guilherme Catumba, Orlando Oliveira, Paulo J. Silva
The 38th International Symposium on Lattice Field Theory, 26-30 July (LATTICE2021) (2021)

105 - Another look at the Landau gauge three-gluon vertex
Guilherme Catumba, Orlando Oliveira, Paulo J. Silva
A Virtual Tribute to Quark Confinement and the Hadron Spectrum, 02-06 Aug (2021)

106 - Quark-gluon vertex with 2 flavours of O(a) improved Wilson fermions
Jonivar Skullerud, Ayse Kizilersu, Orlando Oliveira, Paulo Silva. Andre Sternbeck
The 38th International Symposium on Lattice Field Theory, 26-30 July (LATTICE 2021) (2021)

107 - Manifestations of Confinement/Deconfinement in 4D compact QED on the lattice
Lee C. Loveridge, Orlando Oliveira, Paulo J. Silva
The 38th International Symposium on Lattice Field Theory, 26-30 July (LATTICE 2021) (2021)

108 - Lattice computation of the quark propagator in Landau gauge at finite temperature
Paulo J. Silva, Orlando Oliveira
The 37th International Symposium on Lattice Field Theory (LATTICE2019) (2019)

109 - Ghost Sector in Minimal Linear Covariant Gauge
A. Cucchieri, D. Dudal, T. Mendes, O. Oliveira, M. Roelfs, P. J. Silva
XIIIth Quark Confinement and the Hadron Spectrum, Maynooth, Ireland, 31 July - 6 August 2018 (2018)

110 - Lattice Ghost Propagator in Linear Covariant Gauges
A. Cucchieri, D. Dudal, T. Mendes, O. Oliveira, M. Roelfs, P. J. Silva
666. WE-Heraeus-Seminar: From correlation functions to QCD phenomenology (FunQCD2018), Physikzentrum Bad Honnef, Germany, 03-06 April 2018 (2018)

111 - Lattice Computation of the Ghost Propagator in Linear Covariant Gauges
A. Cucchieri, D. Dudal, T. Mendes, O. Oliveira, M. Roelfs, P. J. Silva
The 36th Annual International Symposium on Lattice Field Theory (Lattice 2018), East Lansing, Michigan, EUA, 22-28 July 2018 (2018)

112 - Spectral representation of lattice gluon and ghost propagators
M. Roelfs, P. J. Silva, D. Dudal, O. Oliveira
666. WE-Heraeus-Seminar: From correlation functions to QCD phenomenology (FunQCD2018), Physikzentrum Bad Honnef, Germany, 03-06 April 2018 (2018)

113 - Spectral representation of lattice gluon and ghost propagators
Martin Roelfs, Paulo Silva, David Dudal, Orlando Oliveira
4th IDPASC Students Workshop, Departamento de Física, Universidade de Coimbra, Portugal, 28-29 June 2018. (2018)

114 - Lattice QCD - Why do we need HPC resources?
P. J. Silva
UT Austin and Portugal - Building the future, UPTEC, Universidade do Porto, 16 February 2018 (2018)

115 - Cromodinâmica Quântica na rede
P. J. Silva, O. Oliveira
21ª Conferência Nacional de Física e 28º Encontro Ibérico para o Ensino da Física (FÍSICA 2018), Universidade da Beira Interior, Covilhã, 29 August - 1 September 2018 (2018)

116 - Lattice Landau gauge quark propagator at finite temperature
P. J. Silva, O. Oliveira
XIIIth Quark Confinement and the Hadron Spectrum, Maynooth, Ireland, 31 July - 6 August 2018 (2018)

117 - Gluon propagation at finite temperature
P. J. Silva, O. Oliveira, D. Dudal, M. Roelfs, P. Bicudo, N. Cardoso
THOR meets THOR - exploring the interface of fundamental and effective approaches to extreme matter - COST THOR Working Group I & II & GDRI Meeting, Instituto Superior Técnico, Universidade de Lisboa, 11-14 June 2018 (2018)

118 - Finite temperature gluon propagator in Landau gauge: non-zero Matsubara frequencies and spectral densities
D. Dudal, O. Oliveira, M. Roelfs, P. J. Silva
35th International Symposium on Lattice Field Theory (Lattice 2017), Granada, Spain, 18-24 June 2017. (2017)

119 - Lattice Landau gauge gluon propagator at finite temperature: non-zero Matsubara frequencies and spectral densities
D. Dudal, O. Oliveira, M. Roelfs, P. J. Silva
Excited QCD 2017, Sintra, Portugal, 7-13 May 2017 (2017)

120 - Revisiting the lattice pure gauge Landau gauge gluon propagator at zero and finite temperature
O. Oliveira, P. J. Silva, D. Dudal, M. Roelfs
Infrared QCD Workshop, APC Paris Diderot University, Paris, France, 8-10 November 2017. (2017)

121 - Hot gluons on the lattice: how do gluons propagate in a hot and non-dense medium?
P. J. Silva, O. Oliveira, D. Dudal, M. Roelfs, P. Bicudo, N. Cardoso
1º Encontro Nacional da Associação de Física de Interacções Fortes, Universidade de Coimbra, 14 July 2017 (2017)

122 - Landau gauge gluon vertices from Lattice QCD
A. G. Duarte, O. Oliveira, P. J. Silva
34th International Symposium on Lattice Field Theory (Lattice 2016), Southampton, UK (2016)

123 - Lattice Landau Gauge Quark Propagator and Quark-Gluon Vertex
O. Oliveira, A. Kizilersu, M. Mueller-Preussker, Paulo J. Silva, Jon-Ivar Skullerud, Andre Sternbeck, Anthony G. Williams
Excited QCD 2016, Caparica, Portugal, 6-12 March 2016 (2016)

124 - Gluons at finite temperature
P. J. Silva, O. Oliveira, D. Dudal, P. Bicudo, N. Cardoso
Light Cone 2016, Lisbon, Portugal (2016)

125 - On the lattice Landau gauge quark propagator; Gluon propagator in linear covariant gauges
O. Oliveira, A. Kizilersu, M. Mueller-Preussker, P. J. Silva, J. Skullerud, A. Sternbeck, A. G. Williams, P. Bicudo, D. Binosi, N. Cardoso
QCD-TNT 4 - Unraveling the organization of the QCD tapestry, Ilha Bela, São Paulo, Brazil, 31 August -- 4 September 2015 (2015)

126 - Gauge Fixing and the Gluon Propagator in Renormalizable Xi Gauges
P. Bicudo, D. Binosi, N. Cardoso, O. Oliveira, P. J. Silva
arXiv PoS LATTICE2015, 317 (2016) Palestra apresentada na Lattice 2015, Kobe, Japão 2015 (2015)

127 - Gluon spectral densities from the lattice
D. Dudal, O. Oliveira, P. J. Silva
The Eighth International Workshop on Numerical Analysis and Lattice QFT (QCDNA8), Yale University, New Haven, USA, 19-21 June 2014 (2014)

128 - Z(N) dependence of the pure Yang-Mills gluon propagator in the Landau gauge near T
O. Oliveira, P. J. Silva
arXiv PoS LATTICE2014, 355 (2015) Palestra apresentada na Lattice 2014, New York, USA 2014 (2014)

129 - Aspects of gluon propagation in Landau gauge: spectral densities, and mass scales at finite temperature
O. Oliveira, P. J. Silva, D. Dudal, P. Bicudo, N. Cardoso
Workshop on Unquenched Hadron Spectroscopy: Non-perturbative Models and Methods of QCD vs. Experiment (EEF70), Coimbra, 1-5 September 2014 (2014)

130 - Spectral densities from the lattice
David Dudal, Orlando Oliveira, Paulo J. Silva
31st International Symposium on Lattice Field Theory (LATTICE 2013), Mainz, Germany (2013)

131 - Gluon mass at finite temperature in Landau gauge
Orlando Oliveira, Paulo Silva, Nuno Cardoso, Pedro Bicudo
31st International Symposium on Lattice Field Theory (LATTICE 2013), Mainz, Germany (2013)

132 - Many faces of the Landau gauge gluon propagator at zero and finite temperature: positivity violation, spectral density and mass scales
Pedro Bicudo, Nuno Cardoso, David Dudal, Orlando Oliveira, Paulo Silva
QCD-TNT-III From quarks and gluons to hadronic matter: A bridge too far?, Trento, Italy (2013)

133 - Glueball spectral densities from the lattice
D. Dudal, O. Oliveira, P. J. Silva
The 30th International Symposium on Lattice Field Theory (Lattice 2012), Cairns, Australia (2012)

134 - Landau Gauge Fixing on GPUs
N. Cardoso , P. Bicudo , P. J. Silva and O. Oliveira
Excited QCD 2012, 6-12 May, Peniche – Portugal (2012)

135 - The lattice Landau gauge gluon propagator at zero and finite temperature
O. Oliveira, P. J. Silva
Excited QCD 2012, 6-12 May, Peniche – Portugal (2012)

136 - The Landau gauge gluon propagator at zero and finite temperature: accounting for the combined finite lattice spacing and finite volume effects
O. Oliveira, P. J. Silva
The 30th International Symposium on Lattice Field Theory (Lattice 2012), Cairns, Australia (2012)

137 - Bosonic propagators for pure Yang-Mills theories from lattice simulations
O. Oliveira, P. J. Silva, D. Dudal
Many Manifestations of Nonperturbative QCD, International workshop on nonperturbative phenomena in hadron and particle physics, April 30 to May 5, Caraguatatuba, São Paulo, Brasil (2012)

138 - The QCD Critical End Point in the Context Context of the Polyakov–Nambu–Jona-Lasinio Model
P. Costa, C.A. de Sousa, M.C. Ruivo, O. Oliveira, P. J. Silva and H. Hansen
Talk given at the ‘Exited QCD 2012’, 6-12 May, Peniche – Portugal (2012)

139 - The lattice Landau gauge gluon propagator at zero and finite temperature
P. J. Silva, O. Oliveira
X Quark Confinement and the Hadron Spectrum, Munich, Germany (2012)

Poster

140 - Deconfinement in pure gauge SU(3) Yang-Mills theory: the ghost propagator
O. Oliveira, V. Paiva, P.J. Silva
19th International Conference on QCD in Extreme Conditions (XQCD 2023), 26 July (2023)

141 - The Quark-Gluon Vertex from Lattice QCD at Finite Temperature
Jesuel Marques, J.-I. Skullerud, Paulo Silva, G. Kalusche
The 39th International Symposium on Lattice Field Theory (Lattice 2022), Bonn, Germany, August 8-13 (2022)

142 - Graph theory approach to wildfire supression
João Aveiro, Daniel Neves, Paulo Silva, Orlando Oliveira, Fernando Nogueira, Jaime Oliveira da Silva
Física2022, 23ª Conferência Nacional de Física, 7-10/9 (2022)

143 - Deconfinement in pure gauge SU(3) Yang-Mills theory: the ghost propagator
Orlando Oliveira, Vítor Paiva, Paulo Silva
The XVth Quark confinement and the Hadron spectrum conference, Stavanger, Norway, August 1-6 (2022)

144 - Lattice artefacts on the Landau gauge gluon propagator from hypercubic tensor representations
Guilherme Catumba, Orlando Oliveira, Paulo J. Silva
The 38th International Symposium on Lattice Field Theory (LATTICE 2021), 26-30 July (2021)

145 - Lattice computation of the Landau gauge quark propagator at finite temperature
P. J. Silva , O. Oliveira
Non-Perturbative QCD in Euclidean and Minkowski, Coimbra, Portugal, 10-12 September 2019 (2019)

146 - High Precision Statistical Landau Gauge Lattice Gluon Propagator Computation
D. Dudal, O. Oliveira, P. J. Silva
XIIIth Quark Confinement and the Hadron Spectrum, Maynooth, Ireland, 31 July - 6 August 2018 (2018)

147 - High Precision Statistical Landau Gauge Lattice Gluon Propagator Computation
D. Dudal, O. Oliveira, P. J. Silva
The 36th Annual International Symposium on Lattice Field Theory (Lattice 2018), East Lansing, Michigan, USA, 22 - 28 July 2018 (2018)

148 - High Precision Statistical Landau Gauge Lattice Gluon Propagator Computation vs. the Gribov-Zwanziger approach
D. Dudal, O. Oliveira, P. J. Silva
IV Hadron Physics 2018, Florianópolis, Brasil, 18 - 23 March 2018 (2018)

149 - Landau gauge fixing on GPUs
N. Cardoso , P. Bicudo , P. J. Silva and O. Oliveira
The 30th International Symposium on Lattice Field Theory (Lattice 2012), Cairns, Australia (2012)

150 - String Tension at Finite Temperature Lattice QCD
P. Bicudo, N. Cardoso, O. Oliveira, P. J. Silva
The XXIX International Symposium on Lattice Field Theory (Lattice 2011), Squaw Valley, California, USA (2011)

151 - What does low energy physics tell us about the zero momentum gluon propagator?
P. Costa, O. Oliveira, P. J. Silva
Quark Confinement and the Hadron Spectrum IX’, Madrid – Spain (2010)

Thesis

PhD thesis

152 - Cópias de Gribov, Propagadores de Gluões e de Campos Fantasmas, Sinais de Confinamento e Algoritmos para a Escolha da Gauge em Cromodinâmica Quântica sem Campos Fermiónicos na Rede
Paulo de Jesus Henriques da Silva
PhD Thesis, Universidade de Coimbra (2007)

MSc thesis

153 - Um algoritmo para a Escolha de Gauge em Cromodinâmica Quântica na Rede
P. J. Silva
Master Thesis, School of Sciences and Tecnology, University of Coimbra (2002)

Other

154 - Four Gluon Vertex from Lattice QCD
M. Colaço, O. Oliveira, Paulo J. Silva
arXiv:2401.12008 [hep-lat] (2024)

155 - Graph-Based Strategies for Optimizing Wildfire Supression
J. Aveiro, D. Neves, Paulo J. Silva, O. Oliveira, F. Nogueira, Jaime Oliveira da Silva,
(2023)

156 - Deconfinement, Center Symmetry and the Ghost Propagator in Landau Gauge Pure SU(3) Yang-Mills Theory
V. Paiva, Paulo J. Silva, O. Oliveira
arXiv:2307.08662 [hep-lat] (2023)

157 - Spectral representation of lattice gluon and ghost propagators at zero temperature
David Dudal, Orlando Oliveira, Martin Roelfs, Paulo Silva
arXiv 1901.05348 [hep-lat] (2019)

158 - Finite Temperature Landau Gauge Lattice Quark Propagator
Orlando Oliveira, Paulo J. Silva
arXiv 1903.00263 [hep-lat] (2019)

Thesis supervised

• The Four Gluon Vertex from Lattice Quantum Chromodynamics
  Manuel Francisco Silvério Carrilho Colaço
  MSc thesis, MSc in Physics (2023)
• Lattice Computation of the Kugo-Ojima Correlation Function
  Nuno Miguel Rebelo Brito
  MSc thesis, MSc in Physics (2023)
• Gluon correlation functions from lattice quantum chromodynamics
  Guilherme Telo Rodigues Catumba
  MSc thesis, arXiv:2101.06074 (2020)
• Correlation Functions in Pure Yang-Mills Theories: propagators and vertices from lattice QCD
  Anthony Gomes Duarte
  MSc thesis, (2016)

Knowledge Transfer

Projects

• COIMBRALATT5
• COIMBRALATT6
• COIMBRALATT7
• Chasing deconfinement with lattice QCD simulations
• Dynamical lattice QCD simulations at finite temperature
• High statistical lattice computation of quark and ghost propagators
• Multi-gluon vertices in Lattice QCD
• PRACE-4IP
• The structure of multiquarks

Management

Outreach

International Collaborations