Room-Temperature Superfluidity in Graphene Bilayers

Details Room-Temperature Superfluidity in Graphene Bilayers Room-Temperature Superfluidity in Graphene Bilayers

2008-02-23

arxiv.org/abs/0802.3462v2

Phys. Rev. B 78, 121401(R) (2008)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 3 figures; updated discussion and references; to appear in PRB Rapid Comm

Scientific paper

10.1103/PhysRevB.78.121401

Because graphene is an atomically two-dimensional gapless semiconductor with
nearly identical conduction and valence bands, graphene-based bilayers are
attractive candidates for high-temperature electron-hole pair condensation. We
present estimates which suggest that the Kosterlitz-Thouless temperatures of
these two-dimensional counterflow superfluids can approach room temperature.

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