费米液体中的Berry曲率、三角形反常和手征磁效应
Berry Curvature, Triangle Anomalies, and the Chiral Magnetic Effect in Fermi Liquids
摘要：
在三维费米液体中，费米面附近的准粒子可能具有Berry曲率。我们表明，如果贝里曲率有一个非零通量通过费米面，与此费米面的粒子数有一个三角形异常在外部电磁场。我们将展示如何修改朗道的费米液体理论，考虑到贝里曲率。我们表明，贝里曲率通量也会出现“手征磁效应”。
英文摘要：
In a three-dimensional Fermi liquid, quasiparticles near the Fermi surface may possess a Berry curvature. We show that if the Berry curvature has a nonvanishing flux through the Fermi surface, the particle number associated with this Fermi surface has a triangle anomaly in external electromagnetic fields. We show how Landau's Fermi liquid theory should be modified to take into account the Berry curvature. We show that the "chiral magnetic effect" also emerges from the Berry curvature flux.
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