Temperature and finite-size effects in collective modes of superfluid Fermi gases
M. Grasso, E. Khan, M. Urban
Abstract
We study the effects of superfluidity on the monopole and quadrupole collective excitations of a dilute ultra-cold Fermi gas with an attractive interatomic interaction. The system is treated fully microscopically within the Bogoliubov-de Gennes and quasiparticle random-phase approximation methods. The dependence on the temperature and on the trap frequency is analyzed and systematic comparisons with the corresponding hydrodynamic predictions are presented in order to study the limits of validity of the semiclassical approach.
Create a lesson
Related papers
Ultrafast laser-stimulated field emission from a metal: a non-equilibrium Green's functions approach
Luciano Jacopo D'Onofrio, Adolfo Avella, Martin Eckstein
Three-dimensional dopant distribution from a single, out-of-focus spectroscopic image
Michael Deimetry, Timothy Petersen, Matthew Weyland et al.
A nonclassical law of the wall in superfluid helium-4
Mikai Hulse, Musfequs Salehin, Sosuke Inui et al.
Progress and Prospect of AI in ARPES Workflow
Sandy Adhitia Ekahana, Aalok Tiwari, Pratik Saud et al.
Magnon Polarization Textures and Transport in Antiferromagnets and Altermagnets
Konstantin S. Denisov, Igor Žutić
PT-symmetry as Effective Time Reversal Symmetry for Anderson Localization in a Collinear Antiferromagnet
Kim-Khuong Huynh, Takuma Ogasawara, Motoi Kimata et al.