Masses and Majorana fermions in graphene

Claudio Chamon, Chang Yu Hou, Christopher Mudry, Shinsei Ryu, Luiz Santos

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

We review the classification of all the 36 possible gap-opening instabilities in graphene, i.e. the 36 relativistic masses of the two-dimensional Dirac Hamiltonian when the spin, valley, and superconducting channels are included. We then show that in graphene it is possible to realize an odd number of Majorana fermions attached to vortices in superconducting order parameters if a proper hierarchy of mass scales is in place.

Original languageEnglish (US)
Article number014013
JournalPhysica Scripta
Issue numberT146
DOIs
StatePublished - Jan 2012
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Mathematical Physics
  • Condensed Matter Physics

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