Collective excitations of degenerate Fermi gases in anisotropic parabolic traps

Details Collective excitations of degenerate Fermi gases in anisotropic parabolic traps Collective excitations of degenerate Fermi gases in anisotropic parabolic traps

2000-07-04

arxiv.org/abs/cond-mat/0007049v1

Physics

Condensed Matter

Soft Condensed Matter

11 pages, Revtex

Scientific paper

10.1103/PhysRevA.63.013606

The hydrodynamic low-frequency oscillations of highly degenerate Fermi gases trapped in anisotropic harmonic potentials are investigated. Despite the lack of an obvious spatial symmetry the wave-equation turns out to be separable in elliptical coordinates, similar to a corresponding result established earlier for Bose-condensates. This result is used to give the analytical solution of the anisotropic wave equation for the hydrodynamic modes.

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