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Unconventional Josephson Effect in Hybrid Superconductor-Topological Insulator Devices

Year: 2012
Type: article
Abstract: We report on transport properties of Josephson junctions in hybrid superconducting-topological insulator devices, which show two striking departures from the common Josephson junction behavior: a characteristic energy that scales inversely with the width of the junction, and a low characteristic magnetic field for suppressing supercurrent. To explain these effects, we propose a phenomenological model which expands on the existing theory for topological insulator Josephson junctions.
DOI: 10.1103/physrevlett.109.056803
Authors: J. R. Williams, A. J. Bestwick, P. Gallagher, Seung Sae Hong, Y. Cui, Andrew S. Bleich, J. G. Analytis, I. R. Fisher, D. Goldhaber-Gordon
Language: English
Open Access status: green
Awards: G1286251239, G2371548206, G303061748, G5570207115, G6550344761, G7283024673, G911061179
OpenAlex ID: W1967766438
FWCI: 28.38
Cites: 22
Cited by: 381
Related to: 10