Chiral Topological Superconductor From the Quantum Hall State

Details Chiral Topological Superconductor From the Quantum Hall State Chiral Topological Superconductor From the Quantum Hall State

2010-03-29

arxiv.org/abs/1003.5448v1

Phys.Rev.B82:184516,2010

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4.5 pages, 4 figures

Scientific paper

10.1103/PhysRevB.82.184516

The chiral topological superconductor in two dimensions has a full pairing gap in the bulk and a single chiral Majorana state at the edge. The vortex of the chiral superconducting state carries a Majorana zero mode which is responsible for the non-abelian statistics of the vortices. Despite intensive searches, this novel superconducting state has not yet been identified in nature. In this paper, we consider a quantum Hall or a quantum anomalous Hall state near the plateau transition, and in proximity to a fully gapped s-wave superconductor. We show that this hybrid system realizes the long sought after chiral superconductor state, and propose several experimental methods for its observation.

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