Spontaneous mass current and textures of p-wave superfluids of trapped Fermionic atom gases at rest and under rotation

Abstract

It is found theoretically based on the Ginzburg-Landau framework that p-wave superfluids of neutral atom gases in three dimension harmonic traps exhibit spontaneous mass current at rest, whose direction depends on trap geometry. Under rotation various types of the order parameter textures are stabilized, including Mermin-Ho and Anderson-Toulouse-Chechetkin vortices. In a cigar shape trap spontaneous current flows longitudial to the rotation axis and thus perpendicular to the ordinary rotational current. These features, spontaneous mass current at rest and texture formation, can be used as diagnoses for p-wave superfluidity.

5 pages, 5 figures

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Cited by in corpus (4)

• The scattering amplitude of ultracold atoms near the p-wave magnetic Feshbach Resonance
• Stability of the singular vortex and associated Majorana zero modes in trapped p-wave resonant superfluids of neutral cold atoms
• Singular Vortex in Narrow Cylinders of Superfluid 3He-A Phase
• Textures and Vortices in d-Wave Fermi Condensates in Atomic Gases