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Superconductivity-induced phase-periodic transport in nanoscale structures

Research output: Contribution to journalJournal article

Published

Journal publication date1/07/1997
JournalPhysical Review B
Journal number2
Volume56
Number of pages6
Pages826-831
Original languageEnglish

Abstract

We present numerical results for the phase-periodic conductance of an Andreev interferometer and predict the existence of a voltage-induced crossover from a zero-phase minimum to a zero-phase maximum. This contrasts with a recent analysis of Stoof and Nazarov and Volkov, Allsopp, and Lambert, which predicts a vanishing amplitude of oscillation at zero temperature and voltage, respectively, and demonstrates that such behavior is nonuniversal.