Collective excitations of degenerate Fermi gases in anisotropic parabolic traps

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 establish...

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Published inarXiv.org
Main Authors Csordás, András, Graham, Robert
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 04.07.2000
Subjects
Anisotropy
Exact solutions
Fermi gases
Wave equations
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Abstract 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.
AbstractList 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.
Author Csordás, András
Graham, Robert
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Exact solutions
Fermi gases
Wave equations
Title Collective excitations of degenerate Fermi gases in anisotropic parabolic traps
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