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Axial anomaly, Dirac sea, and the chiral magnetic effect

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arxiv 1010.0943 v1 pith:76YAKJEC submitted 2010-10-05 hep-ph nucl-th

Axial anomaly, Dirac sea, and the chiral magnetic effect

classification hep-ph nucl-th
keywords magneticanomalyaxialchiralcollectiveeffectmotionarbitrarily
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Gribov viewed the axial anomaly as a manifestation of the collective motion of charged fermions with arbitrarily high momenta in the vacuum. In the presence of an external magnetic field and a chirality imbalance, this collective motion becomes directly observable in the form of the electric current - this is the chiral magnetic effect (CME). I give an elementary introduction into the physics of CME, and discuss some recent developments.

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