Spin exchange in quantum rings and wires in the Wigner-crystal limit

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dc.creatorFogler, Michael M.
dc.creatorPivovarov, Eugene
dc.date2005-04-20
dc.date2005-10-10
dc.date.accessioned2026-07-07T06:37:42Z
dc.date.available2026-07-07T06:37:42Z
dc.descriptionWe present a controlled method for computing the exchange coupling in strongly correlated one-dimensional electron systems. It is based on the asymptotically exact relation between the exchange constant and the pair-correlation function of spinless electrons. Explicit results are obtained for thin quantum rings with realistic Coulomb interactions, by calculating this function via a many-body instanton approach.
dc.description7 pages, 2 figures. Changes in the text and figures to improve readability; added references
dc.identifierhttps://arxiv.org/abs/cond-mat/0504502
dc.identifierhttp://arxiv.org/abs/cond-mat/0504502
dc.identifierJ. Phys.: Condens. Matter 18, L7-L13 (2006)
dc.identifierdoi:10.1088/0953-8984/18/1/L02
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/100483
dc.subjectStrongly Correlated Electrons
dc.titleSpin exchange in quantum rings and wires in the Wigner-crystal limit
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