paper

Simulating Chiral Magnetic and Separation Effects with Spin-Orbit Coupled Atomic Gases

arXiv:1506.03590 · doi:10.1038/srep20601

Abstract

The chiral magnetic and chiral separation effects---quantum-anomaly-induced electric current and chiral current along an external magnetic field in parity-odd quark-gluon plasma---have received intense studies in the community of heavy-ion collision physics. We show that analogous effects occur in rotating trapped Fermi gases with Weyl-Zeeman spin-orbit coupling where the rotation plays the role of an external magnetic field. These effects can induce a mass quadrupole in the atomic cloud along the rotation axis which may be tested in future experiments. Our results suggest that the spin-orbit coupled atomic gases are potential simulators of the chiral magnetic and separation effects.

V2: 13 pages, 5 figures, discussions on Bose gases are cut out, published version

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