The quantum valley Hall effect in proximity-induced superconducting graphene: an experimental window for deconfined quantum criticality

Details The quantum valley Hall effect in proximity-induced superconducting graphene: an experimental window for deconfined quantum criticality The quantum valley Hall effect in proximity-induced superconducting graphene: an experimental window for deconfined quantum criticality

2009-03-09

arxiv.org/abs/0903.1662v1

Phys. Rev. B 81, 081403(R) (2010)

Physics

Condensed Matter

Superconductivity

4 pages, 4 figures

Scientific paper

We argue that by inducing superconductivity in graphene via the proximity effect, it is possible to observes the "quantum valley Hall effect". In the presence of magnetic field, supercurrent causes "valley pseudospin" to accumulate at the edges of the superconducting strip. This, and the structure of the superconducting vortex core, provide possibilities to experimentally observe aspects of the "deconfined quantum criticality".

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