Soliton in BCS superfluid Fermi gas

Details Soliton in BCS superfluid Fermi gas Soliton in BCS superfluid Fermi gas

2004-07-22

arxiv.org/abs/cond-mat/0407585v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages in RevTex + 4 .eps figures

Scientific paper

We analyze a superfluid state of two species gas of fermions trapped in a
quasi-1D harmonic potential and interacting via attractive s-wave collisions.
It is shown that the gap equation posesses a self consistent solution with an
antisymmetric gap function. The gap function has a localized soliton or kink in
the center of the trap.

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