Higher-dimensional generalizations of Berry curvature
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DOI: 10.1103/physrevb.101.235130
Abstract: A family of finite-dimensional quantum systems with a non-degenerate ground state gives rise to a closed 2-form on the parameter space: the curvature of the Berry connection. Its cohomology class is a topological invariant of… read more here.
Keywords: higher dimensional; parameter space; dimensional generalizations; curvature ... See more keywords