Persistent currents in mesoscopic cavities with surface roughness

V.m Apel, M.j Sánchez and G Chiappe

Physica A: Statistical Mechanics and its Applications, 2000, vol. 283, issue 1, 290-296

Abstract: We consider a bidimensional discrete annular cavity with surface roughness (SR) threaded by a magnetic flux. In the ballistic regime and at half-filling, localized border-states show up. These border states contribute coherentely to the persistent current and the magnitude of the typical current Ityp is enhanced with respect to their value in the absence of confinement. This result is robust with respect to changes in the relevant lengths of the sample.

Keywords: Mesoscopic systems; Persistent currents (search for similar items in EconPapers)
Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:283:y:2000:i:1:p:290-296

DOI: 10.1016/S0378-4371(00)00170-9

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