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VOLUME 108 (2018) | ISSUE 10 | PAGE 702
Chiral torsional effect
DOI: 10.1134/S0370274X18220058
Abstract
We propose the new nondissipative transport effect - the appearance of axial current of thermal quasiparticles in the presence of background gravity with torsion. For the non-interacting model of massless Dirac fermions the response of the axial current to torsion is derived. The chiral vortical effect appears to be the particular case of the chiral torsional effect. The proposed effect may be observed in the condensed matter systems with emergent relativistic invariance (Weyl/Dirac semimetals and the 3He-A superfluid).