Chiral magnetic effect in lattice QCD with a chiral chemical potential

Details Chiral magnetic effect in lattice QCD with a chiral chemical potential Chiral magnetic effect in lattice QCD with a chiral chemical potential

2011-05-02

arxiv.org/abs/1105.0385v3

Phys.Rev.Lett.107:031601,2011

Physics

High Energy Physics

High Energy Physics - Lattice

Scientific paper

10.1103/PhysRevLett.107.031601

We perform a first lattice QCD simulation including two-flavor dynamical fermion with a chiral chemical potential. Because the chiral chemical potential gives rise to no sign problem, we can exactly analyze a chirally imbalanced QCD matter by the Monte Carlo simulation. By applying an external magnetic field to this system, we obtain a finite induced current along the magnetic field, which corresponds to the chiral magnetic effect. The obtained induced current is proportional to the magnetic field and to the chiral chemical potential, which is consistent with an analytical prediction.

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