Emergent Horava gravity in graphene

G. E. Volovik, M. A. Zubkov

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

First of all, we reconsider the tight-binding model of monolayer graphene, in which the variations of the hopping parameters are allowed. We demonstrate that the emergent 2. D Weitzenbock geometry as well as the emergent U (1) gauge field appear. The emergent gauge field is equal to the linear combination of the components of the zweibein. Therefore, we actually deal with the gauge fixed version of the emergent 2 + 1 D teleparallel gravity. In particular, we work out the case, when the variations of the hopping parameters are due to the elastic deformations, and relate the elastic deformations with the emergent zweibein. Next, we investigate the tight-binding model with the varying intralayer hopping parameters for the multilayer graphene with the A B C stacking. In this case the emergent 2. D Weitzenbock geometry and the emergent U (1) gauge field appear as well, and the emergent low energy effective field theory has the anisotropic scaling.

Original languageEnglish
Pages (from-to)352-368
Number of pages17
JournalAnnals of Physics
Volume340
Issue number1
DOIs
StatePublished - Jan 2014
Externally publishedYes

Keywords

  • Anisotropic scaling
  • Emergent gauge fields
  • Emergent gravity
  • Graphene

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