Temperature dependence of the axial magnetic effect in two-color quenched QCD

Abstract : The Axial Magnetic Effect is the generation of an equilibrium dissipationless energy flow of chiral fermions in the direction of the axial (chiral) magnetic field. At finite temperature the dissipationless energy transfer may be realized in the absence of any chemical potentials. We numerically study the temperature behavior of the Axial Magnetic Effect in quenched SU(2) lattice gauge theory. We show that in the confinement (hadron) phase the effect is absent. In the deconfinement transition region the conductivity quickly increases, reaching the asymptotic $T^2$ behavior in a deep deconfinement (plasma) phase. Apart from an overall proportionality factor, our results qualitatively agree with theoretical predictions for the behavior of the energy flow as a function of temperature and strength of the axial magnetic field.
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Contributor : Maxim Chernodub <>
Submitted on : Monday, February 3, 2014 - 3:26:04 PM
Last modification on : Friday, January 10, 2020 - 1:31:51 AM

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V. Braguta, M. N. Chernodub, V. A. Goy, K. Landsteiner, A. V. Molochkov, et al.. Temperature dependence of the axial magnetic effect in two-color quenched QCD. Physical Review D, American Physical Society, 2014, 89, pp.074510. ⟨10.1103/PhysRevD.89.074510⟩. ⟨hal-00941217⟩

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