Anisotropic fermi superfluid via p-wave Feshbach resonance

Chi Ho Cheng, S. K. Yip

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Abstract

We investigate theoretically fermionic superfluidity induced by Feshbach resonance in the orbital p-wave channel and determine the general phase diagram. In contrast with superfluid He3, due to the dipole interaction, the pairing is extremely anisotropic. When this dipole interaction is relatively strong, the pairing has symmetry kz. When it is relatively weak, it is of symmetry kz+iβky (up to a rotation about ẑ, here β<1). A phase transition between these two states can occur under a change in the magnetic field or the density of the gas.

Original languageEnglish
Article number070404
JournalPhysical Review Letters
Volume95
Issue number7
DOIs
Publication statusPublished - 2005 Aug 12

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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