Nontrivial topological phase with a zero Chern number
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DOI: 10.1103/physrevb.102.035145
Abstract: A two-dimensional (2D) topological band is characterized by the (first) Chern number. The zero and nonzero Chern numbers usually represent the trivial and nontrivial band topologies, respectively. In this paper, we study an extended Qi-Wu-Zhang… read more here.
Keywords: chern number; topological phase; band; number ... See more keywords