Spin-phonon coupling induced frustration in the exactly solved spin-1/2 Ising model on a decorated planar lattice

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.creatorStrečka, Jozef-
Autor(es): dc.creatorRojas, Onofre-
Autor(es): dc.creatorSouza, S. M. de-
Data de aceite: dc.date.accessioned2026-02-09T12:19:26Z-
Data de disponibilização: dc.date.available2026-02-09T12:19:26Z-
Data de envio: dc.date.issued2020-11-12-
Data de envio: dc.date.issued2020-11-12-
Data de envio: dc.date.issued2012-01-02-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/45503-
Fonte completa do material: dc.identifierhttps://www.sciencedirect.com/science/article/abs/pii/S0375960111013478-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1158995-
Descrição: dc.descriptionSpin-1/2 Ising model with a spin-phonon coupling on decorated planar lattices partially amenable to lattice vibrations is examined using the decoration-iteration transformation and harmonic approximation. It is shown that the magnetoelastic coupling gives rise to an effective antiferromagnetic next-nearest-neighbour interaction, which competes with the nearest-neighbour interaction and is responsible for a frustration of decorating spins. A strong enough spin-phonon coupling consequently leads to an appearance of striking partially ordered and partially disordered phase, where a perfect antiferromagnetic alignment of nodal spins is accompanied with a complete disorder of decorating spins. Thermal dependences of the specific heat are explored in detail.-
Idioma: dc.languageen-
Publicador: dc.publisherElsevier-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourcePhysics Letters A-
Palavras-chave: dc.subjectIsing model-
Palavras-chave: dc.subjectSpin-phonon coupling-
Palavras-chave: dc.subjectSpin frustration-
Palavras-chave: dc.subjectSpecific heat-
Palavras-chave: dc.subjectExact results-
Título: dc.titleSpin-phonon coupling induced frustration in the exactly solved spin-1/2 Ising model on a decorated planar lattice-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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