Volume 88, Number 4, November 2009
|Number of page(s)||6|
|Published online||24 November 2009|
Quantum hydrodynamics and expansion of a strongly interacting Fermi gas
Surface Physics Laboratory and Department of Physics, Fudan University - Shanghai 200433, China
Corresponding author: firstname.lastname@example.org
Accepted: 22 October 2009
We generalize the quantum hydrodynamical equations and study the dynamics of a strongly interacting Fermi gas trapped in an anisotropic harmonic trap. By using this simple theory to simulate the expansion of the Fermi gas observed experimentally by O'Hara et al., Science, 298 (2002) 2179, we find that the density profiles of the system are well described by the Fetter-like form in the dynamical process in all spatial directions. We also discuss the anisotropic dependence on the expansion.
PACS: 03.75.Ss – Degenerate Fermi gases / 67.85.De – Dynamic properties of condensates; excitations, and superfluid flow
© EPLA, 2009
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