Four-dimensional graphene and chiral fermions

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.

10 pages, 1 figure. Revision adds more references and adds minor clarifications. Version to appear in JHEP

References in corpus (3)

• Quantum phase transitions from topology in momentum space
• Chiral Gauge Theory for Graphene
• Aspects of Chiral Symmetry and the Lattice

Cited by in corpus (67)

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• Chiral Lattice Fermions, Minimal Doubling, and the Axial Anomaly
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• Topological Aspects of Fermions on a Honeycomb Lattice
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