Dynamical spin conductivity of the Heisenberg antiferromagnetic checkerboard lattice

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dc.creatorAntônio Sérgio Teixeira Pires
dc.date.accessioned2023-06-28T13:02:20Z
dc.date.accessioned2025-09-08T23:55:09Z
dc.date.available2023-06-28T13:02:20Z
dc.date.issued2021
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.identifier.doihttps://doi.org/10.1007/s13538-021-00890-y
dc.identifier.issn1678-4448
dc.identifier.urihttps://hdl.handle.net/1843/55459
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofBrazilian Journal of Physics
dc.rightsAcesso Restrito
dc.subjectAntiferromagnetismo
dc.subjectModelo de Heisenberg
dc.subjectAnisotropia
dc.subjectSpin transport
dc.subject.otherAntiferromagnet
dc.subject.otherCheckerboard lattice
dc.subject.otherHeisenberg model
dc.subject.otherAnisotropy
dc.subject.otherSpin transport
dc.titleDynamical spin conductivity of the Heisenberg antiferromagnetic checkerboard lattice
dc.typeArtigo de periódico
local.citation.epage433
local.citation.issue3
local.citation.spage429
local.citation.volume51
local.description.resumoWe study spin transport on the anisotropic antiferromagnetic checkerboard lattice with a Dzyaloshinskii-Morya interaction. The dynamical spin conductivity is calculated using a Kubo formula. The Drude weight is also calculated as a function of temperature. The Drude weight vanishes at T = 0, but is finite for T > 0. A finite Drude weight indicates an ideal conductor, which we refer to as ballistic transport.
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE FÍSICA
local.publisher.initialsUFMG
local.url.externahttps://link.springer.com/article/10.1007/s13538-021-00890-y

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