Finite momentum Cooper pairing in three-dimensional topological insulator Josephson junctions

Angela Q. Chen; Moon Jip Park; Stephen T. Gill; Yiran Xiao; Dalmau Reig-i-Plessis; Gregory J. MacDougall; Matthew J. Gilbert; Nadya Mason

doi:10.1038/s41467-018-05993-w

Nature Communications (Aug 2018)

Finite momentum Cooper pairing in three-dimensional topological insulator Josephson junctions

Angela Q. Chen,
Moon Jip Park,
Stephen T. Gill,
Yiran Xiao,
Dalmau Reig-i-Plessis,
Gregory J. MacDougall,
Matthew J. Gilbert,
Nadya Mason

Affiliations

Angela Q. Chen: Department of Physics and Frederick Seitz Materials Research Laboratory, University of Illinois
Moon Jip Park: Department of Physics and Frederick Seitz Materials Research Laboratory, University of Illinois
Stephen T. Gill: Department of Physics and Frederick Seitz Materials Research Laboratory, University of Illinois
Yiran Xiao: Department of Physics and Frederick Seitz Materials Research Laboratory, University of Illinois
Dalmau Reig-i-Plessis: Department of Physics and Frederick Seitz Materials Research Laboratory, University of Illinois
Gregory J. MacDougall: Department of Physics and Frederick Seitz Materials Research Laboratory, University of Illinois
Matthew J. Gilbert: Department of Electrical and Computer Engineering, University of Illinois
Nadya Mason: Department of Physics and Frederick Seitz Materials Research Laboratory, University of Illinois

DOI: https://doi.org/10.1038/s41467-018-05993-w
Journal volume & issue: Vol. 9, no. 1
pp. 1 – 9

Abstract

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Unconventional superconductivity may emerge from the interplay between strong spin–orbit coupling and magnetism. Here, Chen et al. report an anomalous Fraunhofer pattern in three-dimensional topological insulator Bi2Se3 and attribute it as a signature of finite momentum Cooper pairing.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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