Correlation functions for a spin-1/2 Ising-XYZ diamond chain: Further evidence for quasi-phases and pseudo-transitions

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorCarvalho, I. M.-
Autor(es): dc.creatorTorrico, J.-
Autor(es): dc.creatorSouza, S. M. de-
Autor(es): dc.creatorRojas, Onofre-
Autor(es): dc.creatorDerzhko, Oleg-
Data de aceite: dc.date.accessioned2026-02-09T12:40:18Z-
Data de disponibilização: dc.date.available2026-02-09T12:40:18Z-
Data de envio: dc.date.issued2020-06-24-
Data de envio: dc.date.issued2020-06-24-
Data de envio: dc.date.issued2019-03-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/41564-
Fonte completa do material: dc.identifierhttps://www.sciencedirect.com/science/article/abs/pii/S0003491619300016?via%3Dihub#!-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1165968-
Descrição: dc.descriptionOne-dimensional systems with short-range interactions cannot exhibit a long-range order at nonzero temperature. However, there are some particular one-dimensional models, such as the Ising–Heisenberg spin models with a variety of lattice geometries, which exhibit unexpected behavior similar to the discontinuous or continuous temperature-driven phase transition. Although these pseudo-transitions are not true temperature-driven transitions showing only abrupt changes or sharp peaks in thermodynamic quantities, they may be confused while interpreting experimental data. Here we consider the spin-1/2 Ising-XYZ diamond chain in the regime when the model exhibits temperature-driven pseudo-transitions. We provide a detailed investigation of several correlation functions between distant spins that illustrates the properties of quasi-phases separated by pseudo-transitions. Inevitably, all correlation functions show the evidence of pseudo-transition, which are supported by the analytical solutions and, besides we provide a rigorous analytical investigation around the pseudo-critical temperature. It is worth to mention that the correlation functions between distant spins have an extremely large correlation length at pseudo-critical temperature.-
Idioma: dc.languageen-
Publicador: dc.publisherElsevier B.V.-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourceAnnals of Physics-
Palavras-chave: dc.subjectIsing–Heisenberg chain-
Palavras-chave: dc.subjectPseudo-transition-
Palavras-chave: dc.subjectQuasi-phase-
Palavras-chave: dc.subjectModelos de spin Ising-Heisenberg-
Palavras-chave: dc.subjectPseudo-transição-
Título: dc.titleCorrelation functions for a spin-1/2 Ising-XYZ diamond chain: Further evidence for quasi-phases and pseudo-transitions-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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