Hydrodynamic Modes in a Trapped Strongly Interacting Fermi Gases of Atoms

Details Hydrodynamic Modes in a Trapped Strongly Interacting Fermi Gases of Atoms Hydrodynamic Modes in a Trapped Strongly Interacting Fermi Gases of Atoms

2005-05-05

arxiv.org/abs/cond-mat/0505139v2

2005 J. Phys. B: At. Mol. Opt. Phys. 38 L243-L249

Physics

Condensed Matter

Statistical Mechanics

11 pages

Scientific paper

10.1088/0953-4075/38/14/L02

The zero-temperature properties of a dilute two-component Fermi gas in the BCS-BEC crossover are investigated. On the basis of a generalization of the variational Schwinger method, we construct approximate semi-analytical formulae for collective frequencies of the radial and the axial breathing modes of the Fermi gas under harmonic confinement in the framework of the hydrodynamic theory. It is shown that the method gives nearly exact solutions.

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