Abstract
We study the real time evolution of the chiral magnetic effect out-ofequilibrium in strongly coupled anomalous field theories. We match the parameters of our model to QCD parameters and draw lessons of possible relevance for the realization of the chiral magnetic effect in heavy ion collisions. In particular, we find an equilibration time of about ~ 0:35 fm/c in presence of the chiral anomaly for plasma temperatures of order T ~ 300 - 400 MeV.
Highlights
IntroductionThe chiral magnetic effect (CME) is the generation of an electric current in a chirally imbalanced medium by an applied magnetic field [1, 2].1
The chiral magnetic effect (CME) is the generation of an electric current in a chirally imbalanced medium by an applied magnetic field [1, 2].1 Formally it is described by J = 8cμ5B, where c is the coefficient of the axial anomaly and μ5 the axial chemical potential
The CME current is formally expressed in terms of a chemical potential it is specially interesting to understand how the CME is realized far from equilibrium
Summary
The chiral magnetic effect (CME) is the generation of an electric current in a chirally imbalanced medium by an applied magnetic field [1, 2].1 It is described by J = 8cμ5B , where c is the coefficient of the axial anomaly and μ5 the axial chemical potential. The CME current is formally expressed in terms of a chemical potential (an equilibrium quantity) it is specially interesting to understand how the CME is realized far from equilibrium. Answering this question is important in view of a possible realization of the CME in heavy ion collisions. In this study [16], we investigate the realtime dynamics of the chiral magnetic effect in strong magnetic fields within holography for the first time in the full backreacted setup
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