Anisotropic Fermi Superfluid via p-wave Feshbach Resonance

Details Anisotropic Fermi Superfluid via p-wave Feshbach Resonance Anisotropic Fermi Superfluid via p-wave Feshbach Resonance

2005-04-12

arxiv.org/abs/cond-mat/0504278v1

Physical Review Letters 95, 070404 (2005)

Physics

Condensed Matter

Other Condensed Matter

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.95.070404

We investigate theoretically Fermionic superfluidity induced by Feshbach resonance in the orbital p-wave channel. We show that, due to the dipole interaction, the pairing is extremely anisotropic. When this dipole interaction is relatively strong, the pairing has symmetry $k_z$. When it is relatively weak, it is of symmetry $k_z + i \beta k_y$ (up to a rotation about $\hat z$, here $\beta < 1$). A phase transition between these two states can occur under a change in the magnetic field or the density of the gas.

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