Chiral vortical effect with finite rotation, temperature, and curvature

Abstract

We perform an explicit calculation of the axial current at finite rotation and temperature in curved space. We find that finite curvature and mass corrections to the chiral vortical effect satisfy a relation of the chiral gap effect, that is, a fermion mass-shift by a scalar curvature. We also point out that a product term of the angular velocity and the scalar curvature shares the same coefficient as the mixed gravitational chiral anomaly. We discuss possible applications of the curvature induced chiral vortical effect to rotating astrophysical compact objects described by the Kerr metric. Instead of direct calculation we assume that the Chern-Simons current can approximate the physical axial current. We make a proposal that the chiral vortical current from rotating compact objects could provide a novel microscopic mechanism behind the generation of collimated jets.

6 pages, 3 figures; an extended version with more discussions on a robust part of our calculations

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• Gravitational chiral anomaly and anomalous transport for fields with spin 3/2
• Chiral anomalies in black hole spacetimes
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• Chiral transport in curved spacetime via holography
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• Rotation Effects on Mesonic Condensations in Isospin Matter
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