Microscopic Structure of a Vortex Line in a Superfluid Fermi Gas
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The microscopic properties of a single vortex in a dilute superfluid Fermi gas at zero temperature are examined within the framework of self-consistent Bogoliubov-de Gennes theory. Using only physical parameters as input, we study the pair potential, the density, the energy, and the current distribution. Comparison of the numerical results with analytical expressions clearly indicates that the energy of the vortex is governed by the zero-temperature BCS coherence length.
4 pages, 4 embedded figures. Added references. To be published in Physical Review Letters
4 pages, 4 embedded figures. Added references. To be published in Physical Review Letters