Quark electric dipole moment induced by magnetic field
arXiv:0909.2350 · doi:10.1103/PhysRevD.81.036007
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.
6 pages, 4 figures, RevTex 4.0; revision: comments added, published version
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