Phys. Rev. A 80, 035601 (2009) [4 pages]Spontaneous mass current and textures of p-wave superfluids of trapped fermionic atom gases at rest and under rotationReceived 13 November 2008; revised 7 January 2009; published 3 September 2009 Based on the Ginzburg-Landau framework, we find that p-wave superfluids of neutral atom gases in three-dimensional harmonic traps exhibit spontaneous mass current at rest with direction dependent on trap geometry. Under rotation, various types of order parameter textures are stabilized including Mermin-Ho and Anderson-Toulouse-Chechetkin vortices. In a cigar shape trap, spontaneous current flows parallel to the rotation axis and thus perpendicular to the ordinary rotational current. The spontaneous mass current at rest and texture formation can be used to investigate p-wave superfluidity. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.80.035601
DOI:
10.1103/PhysRevA.80.035601
PACS:
67.85.−d, 03.75.Ss
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