Interaction-Induced Enhancement and Oscillations of the Persistent Current

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dc.creatorStafford, C. A.
dc.creatorWang, D. F.
dc.date1997-01-06
dc.date.accessioned2026-07-07T09:11:26Z
dc.date.available2026-07-07T09:11:26Z
dc.descriptionThe persistent current $I$ in integrable models of multichannel rings with both short- and long-ranged interactions is investigated. $I$ is found to oscillate in sign and increase in magnitude with increasing interaction strength due to interaction-induced correlations in the currents contributed by different channels. For sufficiently strong interactions, the contributions of all channels are found to add constructively, leading to a giant enhancement of $I$. Numerical results confirm that this parity-locking effect is robust with respect to subband mixing due to disorder.
dc.descriptionLatex, prerpint of Univ. Fribourg and Ecole Fed. Polytech, submitted to PRL for publication
dc.identifierhttps://arxiv.org/abs/cond-mat/9701026
dc.identifierhttp://arxiv.org/abs/cond-mat/9701026
dc.identifierPhys. Rev. B 56, R4383 (1997)
dc.identifierdoi:10.1103/PhysRevB.56.R4383
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/151677
dc.subjectMesoscale and Nanoscale Physics
dc.titleInteraction-Induced Enhancement and Oscillations of the Persistent Current
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