合成规范场的手征磁效应
Chiral magnetic effect by synthetic gauge fields
摘要：
本文研究了由三维光晶格构成的Weyl金属在人工规范场作用下手征化学势的动力学产生。通过数值求解在平行合成电场和磁场存在下具有Berry曲率的Boltzmann方程，我们发现了谱流和随之产生的手征磁流。我们表明，光谱流和手性化学势可以探测飞行时间成像。
英文摘要：
We study the dynamical generation of the chiral chemical potential in a Weyl metal constructed from a three-dimensional optical lattice and subject to synthetic gauge fields. By numerically solving the Boltzmann equation with the Berry curvature in the presence of parallel synthetic electric and magnetic fields, we find that the spectral flow and the ensuing chiral magnetic current emerge. We show that the spectral flow and the chiral chemical potential can be probed by time-of-flight imaging.
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