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arXiv 2103.11577nucl-thcond-mat.mes-hallhep-ph
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强磁场中的磁涡旋效应

Magneto-vortical Effect in Strong Magnetic Field

Shu Lin, Lixin Yang

摘要:

我们发展了朗道水平基协变手征动力学理论。我们用它来研究具有横向电场和定常涡度扰动的磁化等离子体。考虑真空位移后,在后一种情况下,我们发现在这两种情况下产生的电流和应力张量可以匹配一致的磁流体力学的本构方程。我们发现在涡度的情况下,解决方案包含温度和化学势的变化,以及最低朗道能级状态的激发。该解决方案引起的矢量电荷密度和轴向电流密度。来自位移和激发的真空部分与以前的研究一致,而完全来自激发的介质部分导致对矢量电荷和轴向电流密度的新贡献,与标准手征涡旋效应一致。

英文摘要:

We develop covariant chiral kinetic theory with Landau level basis. We use it to investigate a magnetized plasma with a transverse electric field and a steady vorticity as perturbations. After taking into account vacuum shift in the latter case, we find the resulting current and stress tensor in both cases can be matched consistently with constitutive equations of magnetohydrodynamics. We find the solution in the vorticity case contains both shifts in temperature and chemical potential as well as excitations of the lowest Landau level states. The solution gives rise to an vector charge density and axial current density. The vacuum parts coming from both shifts and excitations agree with previous studies and the medium parts coming entirely from excitations leads to a new contribution to vector charge and axial current density consistent with standard chiral vortical effect.

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