Double Path Interference and Magnetic Oscillations in Cooper Pair Transport through a Single Nanowire

We show that the critical current of the Josephson junction consisting of superconducting electrodes coupled through a nanowire with two conductive channels can reveal the multiperiodic magnetic oscillations. The multiperiodicity originates from the quantum mechanical interference between the channe...

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Bibliographic Details
Published inPhysical review letters Vol. 114; no. 22; p. 227001
Main Authors Mironov, S V, Mel'nikov, A S, Buzdin, A I
Format Journal Article
LanguageEnglish
Published United States 05.06.2015
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Summary:We show that the critical current of the Josephson junction consisting of superconducting electrodes coupled through a nanowire with two conductive channels can reveal the multiperiodic magnetic oscillations. The multiperiodicity originates from the quantum mechanical interference between the channels affected by both the strong spin-orbit coupling and the Zeeman interaction. This minimal two-channel model is shown to explain the complicated interference phenomena observed recently in Josephson transport through Bi nanowires.
ISSN:1079-7114
DOI:10.1103/PhysRevLett.114.227001