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Radiative corrections to chiral separation effect in QED by Gorbar, E. V.; Miransky, V. A.; Shovkovy, I. A.; Wang, Xinyang is a scholarly article available to read on EtoBox.

What is Radiative corrections to chiral separation effect in QED about?

We calculate the leading radiative corrections to the axial current in the chiral separation effect in dense QED in a magnetic field. Contrary to the conventional wisdom suggesting that the axial current should be exactly fixed by the chiral anomaly relation and is described by the topological contribution on the lowest Landau level in the free theory, we find in fact that the axial current receives nontrivial radiative corrections. The direct calculations performed to the linear order in the external magnetic field show that the nontrivial radiative corrections to the axial current are provided by the Fermi surface singularity in the fermion propagator at nonzero fermion density.

Author

Gorbar, E. V.; Miransky, V. A.; Shovkovy, I. A.; Wang, Xinyang

Published

2013

Language

EN