Non-trivial Chern numbers in three-terminal Josephson junctions

Abstract

Recently it has been predicted that the Andreev bound state spectrum of 4-terminal Josephson junctions may possess zero-energy Weyl singularities. Using one superconducting phase as a control parameter, these singularities are associated with topological transitions between time-reversal symmetry broken phases with different Chern numbers. Here we show that such topological transitions may also be tuned with a magnetic flux through the junction area in a 3-terminal geometry.

5 pages, 5 figures

References in corpus (1)

• Photovoltaic Hall effect in graphene

Cited by in corpus (63)

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