Chiral Langevin theory for non-Abelian plasmas

Abstract

Charged plasmas with chirality imbalance are unstable and tend to reduce the imbalance. This chiral plasma instability is, however, not captured in (anomalous) hydrodynamics for high-temperature non-Abelian plasmas. We derive a Langevin-type classical effective theory with anomalous parity-violating effects for non-Abelian plasmas that describes the chiral plasma instability at the magnetic scale. We show that the time scale of the instability is of order $[g^{4}T\ln (1/g){]}^{-1}$ at weak coupling.

v3: 30 pages, 2 figures, published version

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