arXiv:0909.2350·v2·High Energy Physics — Phenomenology
Quark electric dipole moment induced by magnetic field
P.V. Buividovich🇧🇾 · M.N. Chernodub🇫🇷 · E.V. Luschevskaya🇷🇺 · M.I. Polikarpov🇷🇺
Abstract
We show numerically that quarks develop an electric dipole moment in the direction of a sufficiently intense magnetic field due to local fluctuations of topological charge. This anomalous CP-odd effect is a spin analogue of the Chiral Magnetic Effect in QCD.
Comments: 6 pages, 4 figures, RevTex 4.0; revision: comments added, published version