Dynamics of optically generated vortices in a one-component ultracold fermionic gases

Details Dynamics of optically generated vortices in a one-component ultracold fermionic gases Dynamics of optically generated vortices in a one-component ultracold fermionic gases

2002-06-25

arxiv.org/abs/cond-mat/0206480v1

J. Phys. B: At. Mol. Opt. Phys. 36 (2003) L69-L75

Physics

Condensed Matter

4 pages, 4 figures

Scientific paper

10.1088/0953-4075/36/3/102

We show that the phase imprinting method is capable of generating vortices in a one-component gas of neutral fermionic atoms at zero and finite temperatures. We find qualitative differences in dynamics of vortices in comparision with the case of Bose-Einstein condensate. The results of the imprinting strongly depend on the geometry of the trap, e.g., in asymmetric traps no single vortex state exists. The observations could be considered as a signature of Cooper-pair based superfluidity in a Fermi gas.

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