Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-02-27
Physics
High Energy Physics
High Energy Physics - Phenomenology
Some reference added. Minor revisions. One figure added. To appear on Phys. Rev. D
Scientific paper
We study the two-flavor Nambu--Jona-Lasinio model with the Polyakov loop (PNJL model) in the presence of a strong magnetic field and a chiral chemical potential $\mu_5$ which mimics the effect of imbalanced chirality due to QCD instanton and/or sphaleron transitions. Firstly we focus on the properties of chiral symmetry breaking and deconfinement crossover under the strong magnetic field. Then we discuss the role of $\mu_5$ on the phase structure. Finally the chirality charge, electric current, and their susceptibility, which are relevant to the Chiral Magnetic Effect, are computed in the model.
Fukushima Kenji
Gatto Raoul
Ruggieri Marco
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