Graphene as a Perfect Conductor
JOURNAL OF MOLECULAR AND ENGINEERING MATERIALS(2022)
摘要
Here, we show that the graphene sheet, which is designed to behave a band insulator, can be turned into a perfect conductor, when the difference of the current from the two valleys gets coupled to an Abelian gauge field. The graphene sheet in such a case is found to display infinite DC conductivity, Debye screening and magnetic flux expulsion.
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关键词
Perfect conductor, Chern-Simons theory, magnetic flux expulsion
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