Heat current rectification in segmented XXZ chains

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dc.creatorVinitha Balachandran
dc.creatorGiuliano Benenti
dc.creatorEmmanuel Araújo Pereira
dc.creatorGiulio Casati
dc.creatorDario Poletti
dc.date.accessioned2023-09-11T12:15:46Z
dc.date.accessioned2025-09-09T01:16:32Z
dc.date.available2023-09-11T12:15:46Z
dc.date.issued2019
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.identifier.doihttps://doi.org/10.1103/PhysRevE.99.032136
dc.identifier.issn2470-0053
dc.identifier.urihttps://hdl.handle.net/1843/58544
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofPhysical Review E
dc.rightsAcesso Restrito
dc.subjectCalor
dc.subjectSistemas quânticos
dc.subjectDecoerência
dc.subject.otherHeat transfer
dc.subject.otherOpen quantum systems
dc.subject.otherDecoherence
dc.titleHeat current rectification in segmented XXZ chains
dc.typeArtigo de periódico
local.citation.epage032136-6
local.citation.issue3
local.citation.spage032136-1
local.citation.volume99
local.description.resumoWe study the rectification of heat current in an XXZ chain segmented in two parts. We model the effect of the environment with Lindblad heat baths. We show that in our system, rectification is large for strong interactions in half of the chain and if one bath is at a cold enough temperature. For the numerically accessible chain lengths, we observe that the rectification increases with the system size. We gain insight into the rectification mechanism by studying two-time correlations in the steady state. The presence of interactions also induces a strong nonlinear response to the temperature difference, resulting in superlinear and negative differential conductance regimes.
local.identifier.orcidhttps://orcid.org/0000-0001-5626-0176
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE FÍSICA
local.publisher.initialsUFMG
local.url.externahttps://journals.aps.org/pre/abstract/10.1103/PhysRevE.99.032136

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