Ising ladder with four-spin plaquette interaction in a transverse magnetic field.

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorNunes, Maria Eugenia Silva-
Autor(es): dc.creatorLima, Francisco Welington de Sousa-
Autor(es): dc.creatorPlascak, João Antônio-
Data de aceite: dc.date.accessioned2025-08-21T15:08:43Z-
Data de disponibilização: dc.date.available2025-08-21T15:08:43Z-
Data de envio: dc.date.issued2025-01-06-
Data de envio: dc.date.issued2025-01-06-
Data de envio: dc.date.issued2022-
Fonte completa do material: dc.identifierhttps://www.repositorio.ufop.br/handle/123456789/19386-
Fonte completa do material: dc.identifierhttps://doi.org/10.3390/e25121665-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1003415-
Descrição: dc.descriptionThe spin-1/2 quantum transverse Ising model, defined on a ladder structure, with nearest neighbor and four-spin interaction on a plaquette, was studied by using exact diagonalization on finite ladders together with finite-size-scaling procedures. The quantum phase transition between the ferromagnetic and paramagnetic phases has then been obtained by extrapolating the data to the thermodynamic limit. The critical transverse field decreases as the antiferromagnetic four-spin interaction increases and reaches a multicritical point. However, the exact diagonalization approach was not able to capture the essence of the dimer phase beyond the multicritical transition.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Direitos: dc.rightsaberto-
Direitos: dc.rightsThis article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/). Fonte: PDF do artigo.-
Palavras-chave: dc.subjectQuantum spin models-
Palavras-chave: dc.subjectPhase diagram-
Palavras-chave: dc.subjectExact diagonalization-
Palavras-chave: dc.subjectLadder structure-
Título: dc.titleIsing ladder with four-spin plaquette interaction in a transverse magnetic field.-
Aparece nas coleções:Repositório Institucional - UFOP

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