Chiral topological superconductor from the quantum Hall state
Xiao-Liang Qi, Taylor L. Hughes, Shou-Cheng Zhang
DOI 10.1103/PhysRevB.82.184516 · Physical Review B
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Abstract
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 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 may realize the chiral topological superconductor state and propose several experimental methods for its observation.
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