CVE for photons: black-hole vs. flat-space derivation

Abstract

The chiral vortical effect (CVE) was derived first for non-interacting massless fermions. Recently, an alternative derivation of the CVE was suggested which relates it to the radiation from the horizon of a rotating black hole. We attempt to generalize the latter derivation to the case of photons and encounter a crucial factor of two difference between the two ways of visualizing the CVE. Reservations and possible explanations are briefly discussed.

arXiv comment6 pages

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• Causal and stable first-order chiral hydrodynamics
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• Photonic spin Hall effect from quantum kinetic theory in curved spacetime
• Chiral vortical effect for vector fields
• Anomalous chiral transport with vorticity and torsion: Cancellation of two mixed gravitational anomaly currents in rotating chiral $p+ip$ Weyl condensates
• Chiral Vortical Effect in Extended Rarita-Schwinger Field Theory and Chiral Anomaly
• Gravitational chiral anomaly for spin 3/2 field interacting with spin 1/2 field
• Zilch Vortical Effect for Fermions
• On chiral vortical effect in accelerated matter
• Chiral transport in curved spacetime via holography
• Chiral kinematic theory and converse vortical effects