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Four-dimensional graphene and chiral fermions

Published 3 April 2008 Published under licence by IOP Publishing Ltd
, , Citation Michael Creutz JHEP04(2008)017 DOI 10.1088/1126-6708/2008/04/017

1126-6708/2008/04/017

Abstract

Motivated by the description of the graphene electronic structure in terms of the relativistic Dirac equation, a generalization to four dimensions yields a strictly local fermion action describing two species and possessing an exact chiral symmetry. This is the minimum number of species required by the well known ``no-go'' theorems.

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10.1088/1126-6708/2008/04/017