Negative differential conductivity in far-from-equilibrium quantum spin chains

Simple item page
dc.creatorBenenti, Giuliano
dc.creatorCasati, Giulio
dc.creatorProsen, Tomaz
dc.creatorRossini, Davide
dc.date2008-06-13
dc.date2009-02-03
dc.date.accessioned2026-07-07T12:36:42Z
dc.date.available2026-07-07T12:36:42Z
dc.descriptionWe show that, when a finite anisotropic Heisenberg spin-1/2 chain in the gapped regime is driven far from equilibrium, oppositely polarized ferromagnetic domains build up at the edges of the chain, thus suppressing quantum spin transport. As a consequence, a negative differential conductivity regime arises, where increasing the driving decreases the current. The above results are explained in terms of magnon localization and are shown to be structurally stable against breaking of integrability.
dc.description5 pages, 4 figures. Published version
dc.identifierhttps://arxiv.org/abs/0806.2236
dc.identifierhttp://arxiv.org/abs/0806.2236
dc.identifierEurphys. Lett. 85, 37001 (2009)
dc.identifierdoi:10.1209/0295-5075/85/37001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/218184
dc.subjectStrongly Correlated Electrons
dc.subjectStatistical Mechanics
dc.subjectQuantum Physics
dc.titleNegative differential conductivity in far-from-equilibrium quantum spin chains
dc.typetext

Files

Collections

arXiv