Revealing Chern number from quantum metric
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DOI: 10.1088/1674-1056/ac2f2c
Abstract: Chern number is usually characterized by Berry curvature. Here, by investigating the Dirac model of even-dimensional Chern insulator, we give the general relation between Berry curvature and quantum metric, which indicates that the Chern number… read more here.
Keywords: chern number; quantum metric; revealing chern; quantum ... See more keywords