Theory of topological superconductivity based on Yu-Shiba-Rusinov states | Zendy

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Theory of topological superconductivity based on Yu-Shiba-Rusinov states

Author(s) -

Jian Li

Publication year - 2020

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.69.20200831

Subject(s) - superconductivity , physics , bound state , topology (electrical circuits) , condensed matter physics , proximity effect (electron beam lithography) , impurity , quantum mechanics , nanotechnology , combinatorics , mathematics , materials science , layer (electronics) , resist , electron beam lithography

Yu-Shiba-Rusinov states are subgap bound states induced by magnetic impurity atoms in a superconductor. These states can be used as building blocks in constructing an effective topological superconductor. Here we formulate a unified theory of topological superconductivity in different dimensions based on Yu-Shiba-Rusinov states, and demonstrate its application with simple but illustrative examples. Such a theory underlies a number of recent experiments on the related platform.

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