Equilibrium current in a Weyl-semimetal - superconductor heterostructure
Kevin A. Madsen,
Piet W. Brouwer,
Maxim Breitkreiz
Abstract:A heterostructure consisting of a magnetic Weyl semimetal and a conventional superconductor exhibits an equilibrium current parallel to the superconductor interface and perpendicular to the magnetization. Analyzing a minimal model, which as a function of parameters may be in a trivial magnetic insulator phase, a Weyl semimetal phase, or a three-dimensional weak Chern insulator phase, we find that the equilibrium current is sensitive to the presence of surface states, such as the topological Fermi-arc states of… Show more
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