Near-zero modes in superconducting graphene
Author(s)
Ghaemi, Pouyan; Wilczek, Frank
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Vortices in the simplest superconducting state of graphene contain very-low-energy excitations whose existence is connected to an index theorem that applies strictly to an approximate form of the relevant Bogoliubov–de Gennes equations. When Zeeman interactions are taken into account, the zero modes required by the index theorem are (slightly) displaced. Thus, the vortices acquire internal structure, which plausibly supports interesting dynamical phenomena.
Date issued
2012-01Department
Massachusetts Institute of Technology. Center for Theoretical Physics; Massachusetts Institute of Technology. Department of PhysicsJournal
Physica Scripta
Publisher
IOP Publishing
Citation
Ghaemi, Pouyan, and Frank Wilczek. “Near-zero Modes in Superconducting Graphene.” Physica Scripta T146 (2012): 014019.
Version: Author's final manuscript
ISSN
0031-8949
1402-4896