Weak Localization Coexisting with a Magnetic Field in a Normal-Metal--Superconductor Microbridge

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dc.creatorBrouwer, P. W.
dc.creatorBeenakker, C. W. J.
dc.date1995-04-12
dc.date.accessioned2026-07-07T03:07:40Z
dc.date.available2026-07-07T03:07:40Z
dc.descriptionA random-matrix theory is presented which shows that breaking time-reversal symmetry by itself does {\em not} suppress the weak-localization correction to the conductance of a disordered metal wire attached to a superconductor. Suppression of weak localization requires applying a magnetic field as well as raising the voltage, to break both time-reversal symmetry and electron-hole degeneracy. A magnetic-field dependent contact resistance obscured this anomaly in previous numerical simulations.
dc.description8 pages, REVTeX-3.0, 1 figure
dc.identifierhttps://arxiv.org/abs/cond-mat/9504047
dc.identifierhttp://arxiv.org/abs/cond-mat/9504047
dc.identifierPhys.Rev.B 52 (1995) R3868
dc.identifierdoi:10.1103/PhysRevB.52.R3868
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/27255
dc.subjectCondensed Matter
dc.titleWeak Localization Coexisting with a Magnetic Field in a Normal-Metal--Superconductor Microbridge
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