Opening of a Gap in Graphene Due to Supercell Potential: Group Theory Point of View release_dewvydsgwferfh7woy7x7s6o6q

by E. Kogan, M. Kaveh

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2014  

Abstract

We analyze in the framework of the space group theory the change of the dispersion law in grapenein the vicinity of the (former) Dirac points due to application of supercell potential with the √(3)×√(3) space periodicity and the same point symmetry as graphene.
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Date   2014-04-21
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arXiv  1404.5231v1
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