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Shift of Dirac points and strain induced pseudo-magnetic field in graphene (1011.3291v3)
Published 15 Nov 2010 in cond-mat.mes-hall and cond-mat.mtrl-sci
Abstract: We propose that the strain induced effective pseudo-magnetic field in graphene can also be explained by a curl movement of the Dirac points, if the Dirac points can be regarded as a slowly varying function of position. We also prove that the Dirac points must be confined within two triangles, each one has 1/8 the area of the Brillouin zone.
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