Frustrated Ising model on the Cairo pentagonal lattice

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.creatorRojas, M.-
Autor(es): dc.creatorRojas, Onofre-
Autor(es): dc.creatorSouza, S. M. de-
Data de aceite: dc.date.accessioned2026-02-09T12:13:52Z-
Data de disponibilização: dc.date.available2026-02-09T12:13:52Z-
Data de envio: dc.date.issued2020-11-12-
Data de envio: dc.date.issued2020-11-12-
Data de envio: dc.date.issued2012-11-16-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/45464-
Fonte completa do material: dc.identifierhttps://journals.aps.org/pre/abstract/10.1103/PhysRevE.86.051116-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1157111-
Descrição: dc.descriptionThrough the direct decoration transformation approach, we obtain a general solution for the pentagonal Ising model, showing its equivalence to the isotropic free-fermion eight-vertex model. We study the ground-state phase diagram, in which one ferromagnetic (FM) state, one ferrimagnetic (FIM) state, and one frustrated state are found. Using the exact solution of the pentagonal Ising model, we discuss the finite-temperature phase diagrams and find a phase transition between the FIM state and the disordered state as well as a phase transition between the disordered state and the FM state. We also discuss some additional remarkable properties of the model, such as the magnetization, entropy, and specific heat, at finite temperature and at its low-temperature asymptotic limit. Because of the influence of the second-order phase transition between the frustrated and ferromagnetic phases, we obtain surprisingly low values of the entropy and the specific heat until the critical temperature is reached.-
Idioma: dc.languageen-
Publicador: dc.publisherAmerican Physical Society (APS)-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourcePhysical Review E (PRE): covering statistical, nonlinear, biological, and soft matter physics-
Palavras-chave: dc.subjectPentagonal Ising model-
Palavras-chave: dc.subjectEntropy-
Palavras-chave: dc.subjectFerromagnetic (FM)-
Palavras-chave: dc.subjectFerrimagnetic (FIM)-
Palavras-chave: dc.subjectCairo pentagonal model-
Título: dc.titleFrustrated Ising model on the Cairo pentagonal lattice-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

Não existem arquivos associados a este item.