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Double Path Interference and Magnetic Oscillations in Cooper Pair Transport through a Single Nanowire
S V Mironov1,2, A S Mel'nikov2,3, A I Buzdin1
1University Bordeaux, LOMA UMR-CNRS 5798, F-33405 Talence Cedex, France.
Abstract:
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.
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