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arXiv · 1910.11060

Dirac sea and chiral anomaly in the quantum kinetic theory

Jian-Hua Gao·Zuo-Tang Liang·Qun Wang
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Abstract

We revisit the chiral anomaly in the quantum kinetic theory in the Wigner function formalism under the background field approximation. Our results show that the chiral anomaly is actually from the Dirac sea or the vacuum contribution in the un-normal-ordered Wigner function. We also demonstrate that this contribution modifies the chiral kinetic equation for antiparticles.

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Jian-Hua Gao, Zuo-Tang Liang, Qun Wang. 2019-11-28. Dirac sea and chiral anomaly in the quantum kinetic theory. https://doi.org/10.1103/physrevd.101.096015

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