Possible Realization of non-BCS type Superconductivity in Graphene

Details Possible Realization of non-BCS type Superconductivity in Graphene Possible Realization of non-BCS type Superconductivity in Graphene

2009-01-08

arxiv.org/abs/0901.1034v2

Physics

Condensed Matter

Superconductivity

Major Revision, 4 pages, no figures

Scientific paper

We show that the gauge field induced due to non-uniform hopping, in gapped graphene, can give rise to a non-BCS type of superconductivity. Unlike the conventional mechanisms, this superconductivity phenomena does not require any pairing. We estimate the critical temperature for superconducting-to-normal transition via Berezinskii-Kosterlitz-Thouless mechanism. Possibility of observing the same in ultra cold atomic gases is also pointed out.

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