Solitons and vortices in ultracold fermionic gases

Details Solitons and vortices in ultracold fermionic gases Solitons and vortices in ultracold fermionic gases

2001-03-27

arxiv.org/abs/cond-mat/0103564v2

Physics

Condensed Matter

4 pages, 5 figures many new results

Scientific paper

10.1088/0953-4075/35/14/101

We investigate the possibilities of generation of solitons and vortices in a degenerate gas of neutral fermionic atoms. In analogy with, already experimentally demonstrated, technique applied to gaseous Bose-Einstein condensate we propose the phase engineering of a Fermi gas as a practical route to excited states with solitons and vortices. We stress that solitons and vortices appear even in a noninteracting fermionic gas. For solitons, in a system with sufficiently large number of fermions and appropriate trap configuration, the Pauli blocking acts as the interaction between particles.

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