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

Pouyan Ghaemi, Shinsei Ryu, Dung‐Hai Lee

Type: Article

Publication Date: 2010-02-04

Citations: 34

DOI: https://doi.org/10.1103/physrevb.81.081403

Abstract

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".

Locations

arXiv (Cornell University) - View - PDF
DataCite API - View
Physical Review B - View

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