Persistent currents with long-range hopping in 1D single-isolated-diffusive rings

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dc.creatorMaiti, Santanu K.
dc.creatorChowdhury, J.
dc.creatorKarmakar, S. N.
dc.date2004-09-08
dc.date2006-02-05
dc.date.accessioned2026-07-07T06:37:15Z
dc.date.available2026-07-07T06:37:15Z
dc.descriptionWe show from exact calculations that a simple tight-binding Hamiltonian with diagonal disorder and long-range hopping integrals, falling off as a power $μ$ of the inter-site separation, correctly describes the experimentally observed amplitude (close to the value of an ordered ring) and flux-periodicity ($hc/e$) of persistent currents in single-isolated-diffusive normal metal rings of mesoscopic size. Long-range hopping integrals tend to delocalize the electrons even in the presence of disorder resulting orders of magnitude enhancement of persistent current relative to earliar predictions.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0409189
dc.identifierhttp://arxiv.org/abs/cond-mat/0409189
dc.identifierSynthetic Metals, Volume 155, Issue 2, 15 November 2005, Pages 430-433
dc.identifierdoi:10.1016/j.synthmet.2005.09.030
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/100331
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStrongly Correlated Electrons
dc.titlePersistent currents with long-range hopping in 1D single-isolated-diffusive rings
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