Near-zero modes in superconducting graphene
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Wilczek_Near-zero.pdf
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104.87 KB
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Author(s)
Ghaemi, Pouyan
Wilczek, Frank
Date Issued
January 2012
Journal
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
Abstract
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.
MIT Department
Massachusetts Institute of Technology. Center for Theoretical Physics
Massachusetts Institute of Technology. Department of Physics
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Creative Commons Attribution-Noncommercial-Share Alike 3.0
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DOI of Published Version
https://doi.org/10.1088/0031-8949/2012/T146/014019
