My recent works are in two main lines: the collective dynamics of trapped cold Fermi gases, modeled via the Boltzmann equation, and the properties of neutron star crust. I am also interested in phase transitions and lattice models.
Research Highlights
- Damping of the quadrupole mode in a two-dimensional Fermi gas
S. Chiacchiera, D. Davesne, T. Enss, M.Urban
Phys.Rev. A 88, 053616 (2013) - Trap anharmonicity and sloshing mode of a Fermi gas
P.A.Pantel, D.Davesne, S.Chiacchiera and M.Urban
Phys. Rev. A 86, 023635 (2012) - Collective modes of trapped Fermi gases with in-medium interaction
S. Chiacchiera, T. Lepers, D. Davesne, and M. Urban
Phys. Rev. A 79, 033613 (2009) - Light clusters in nuclear matter and the pasta phase
S. S. Avancini, C. C. Barros, Jr., L. Brito, S. Chiacchiera, D. P. Menezes, C. Providência
Phys Rev C 85, 035806 (2012) - Warm pasta phase in the Thomas-Fermi approximation
Sidney S. Avancini, Silvia Chiacchiera, Débora P. Menezes, and Constança Providência
Physical Review C 82, 055807 (2010)
Publications [LaTeX]
Papers
International Journals
1 - Boltzmann equation with double-well potentials
Silvia Chiacchiera, Tommaso Macrì, and Andrea Trombettoni
Phys. Rev. A 94, 043643 (2016)
2 - Nature of phase transitions in Axelrod-like coupled Potts models in two dimensions
Y. Gandica, S. Chiacchiera
Phys. Rev. E 93, 032132 (2016)
3 - Light clusters, pasta phases and phase transitions in core-collapse supernova matter
Helena Pais, Silvia Chiacchiera, Constança Providência
Phys. Rev. C 91, 055801 (2015)
4 - Imprint of the symmetry energy on the inner crust and strangeness content of neutron stars
Constança Providência, Sidney S. Avancini, Rafael Cavagnoli, Silvia Chiacchiera, Camille Ducoin, Fabrizio Grill, Jérôme Margueron, Débora P. Menezes, Aziz Rabhi, Isaac Vidaña
EPJA 50-2, 44-1-44-18 (2014)
5 - Damping of the quadrupole mode in a two-dimensional Fermi gas
S. Chiacchiera, D. Davesne, T. Enss, M.Urban
Phys.Rev. A 88, 053616 (2013)
6 - Trap anharmonicity and sloshing mode of a Fermi gas
P.A.Pantel, D.Davesne, S.Chiacchiera and M.Urban
Phys. Rev. A 86, 023635 (2012)
7 - Light clusters in nuclear matter and the pasta phase
S. S. Avancini, C. C. Barros, Jr., L. Brito, S. Chiacchiera, D. P. Menezes, C. Providência
Phys Rev C 85, 035806 (2012)
8 - Erratum: Warm pasta phase in the Thomas-Fermi approximation [Phys. Rev. C 82, 055807 (2010)]
Sidney S. Avancini, Silvia Chiacchiera, Débora P. Menezes, Constança Providência
Phys. Rev. C 85, 059904 (2012)
9 - Role of fourth-order phase-space moments in collective modes of
trapped Fermi gases
S. Chiacchiera, T. Lepers, D. Davesne, and M. Urban
Phys. Rev. A 84, 043634 (2011)
10 - Dipole Oscillations in Fermionic Mixtures
S. Chiacchiera, T. Macri and A. Trombettoni
Phys. Rev. A 81, 033624 (2010)
11 - Warm pasta phase in the Thomas-Fermi approximation
Sidney S. Avancini, Silvia Chiacchiera, Débora P. Menezes, and Constança Providência
Physical Review C 82, 055807 (2010)
12 - Numerical solution of the Boltzmann equation for the collective modes of trapped Fermi gases
T.Lepers, D.Davesne, S.Chiacchiera, M.Urban
Phys. Rev. A 82, 023609 (2010)
13 - Viscosity over entropy ratio in a quark plasma
P. Czerski, W. M. Alberico, S. Chiacchiera, A. De Pace,H. Hansen, A. Molinari, M. Nardi
Journ. Phys. G - Nuclear and particle physics 36, 025008 (2009)
14 - Collective modes of trapped Fermi gases with in-medium interaction
S. Chiacchiera, T. Lepers, D. Davesne, and M. Urban
Phys. Rev. A 79, 033613 (2009)
15 - Shear viscosity and entropy of quark matter
W.M. Alberico, S. Chiacchiera, H. Hansen, A. Molinari, M.Nardi
Eur. Phys. Jour. A 38, 97-103 (2008)
16 - The multilevel pairing Hamiltonian versus the degenerate case
M. B. Barbaro, R. Cenni, S. Chiacchiera, A. Molinari, F. Palumbo
Annals Phys. 322, 2665 (2007)
Proceedings
International Conferences
17 - Pasta phases in core-collapse supernova matter
Helena Pais, Silvia Chiacchiera, and Constança Providência
Journal of Physics: Conference Series 706, 042007 (2016)
18 - Collective modes of three- and two-dimensional trapped Fermi gases in the normal phase
M. Urban, S. Chiacchiera, D. Davesne, T. Enss, P.-A. Pantel
J. Phys. Conf. Ser. 497, 012028 (2014)
19 - Damping of collective modes in ultracold trapped Fermi gases with in-medium cross section
M. Urban, S. Chiacchiera, D. Davesne and T. Lepers
J. Phys. Conf. Ser. 321, 012026 (2011)
Communications
Poster
20 - Boltzmann equation with double-well potentials
Silvia Chiacchiera, Tommaso Macrì, and Andrea Trombettoni
Presented at the conference "STATPHYS26", July 18-22, 2016, Lyon, France. (2016)
21 - Boltzmann equation with double-well potentials
Silvia Chiacchiera, Tommaso Macrì, and Andrea Trombettoni
Presented at the "Conference on Long-Range-Interacting Many Body Systems: from Atomic to Astrophysical Scales", 25-29 July, 2016, ICTP, Trieste, Italy. (2016)
22 - Collective modes of Fermi gases in realistic 3D and 2D traps
S. Chiacchiera, D. Davesne, T. Enss, P.-A. Pantel, M. Urban
Presented at the "Workshop on Probing and Understanding Exotic Superconductors and Superfluids", October 27-31, 2014, ICTP, Trieste, Italy. (2014)
23 - "Collective modes in cold trapped Fermi gases"
Silvia Chiacchiera
"Lyon BEC 2012, Theory of quantum gases and quantum coherence',
June 5-8 2012, Ecole Normale Supérieure de Lyon, Lyon, France
[http://lyonbec2012.ens-lyon.fr] (2012)
24 - Collective modes in cold trapped Fermi gases
S. Chiacchiera, D. Davesne, T. Lepers, M. Urban
Presented at the "Workshop on Frontiers in Ultracold Fermi Gases", June 6-10, 2011, ICTP, Trieste, Italy. (2011)
Thesis supervised
Knowledge Transfer
Projects
- COST Action MP1304 - Exploring fundamental physics with compact stars ( NewCompStar)
- Compact Stars: Laboratories for nuclear and particle physics
- Neutron Stars: matter under extreme conditions
Management
Outreach
- Átomos frios na ratoeira (28/Jun/2015)
- Incêndios, epidemias...e um café: uma introdução numérica à percolação (20/Jul/2013)
- Einstein and the molecules: browian movement (23/Jul/2012)
- Einstein e as moléculas: uma introdução ao movimento browniano (18/Jul/2011)
- Átomos frios na ratoeira (26/Feb/2011)