Dynamics of the frustrated ising lattice gas

Detalhes bibliográficos
Autor(a) principal: Arenzon, Jeferson Jacob
Data de Publicação: 2000
Outros Autores: Ricci-Tersenghi, Federico, Stariolo, Daniel Adrian
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRGS
Texto Completo: http://hdl.handle.net/10183/103656
Resumo: The dynamical properties of a three-dimensional model glass, the frustrated Ising lattice gas (FILG), are studied by Monte Carlo simulations. We present results of compression experiments, where the chemical potential is either slowly or abruptly changed, as well as simulations at constant density. One time quantities like density and two time quantities like correlations, responses, and mean square displacements are measured, and the departure from equilibrium clearly characterized. The aging scenario, particularly in the case of density autocorrelations, is reminiscent of spin glass phenomenology with violations of the fluctuation-dissipation theorem, typical of systems with one replica symmetry breaking. The FILG, as a valid on-lattice model of structural glasses, can be described with tools developed in spin glass theory and, being a finite-dimensional model, can open the way for a systematic study of activated processes in glasses.
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spelling Arenzon, Jeferson JacobRicci-Tersenghi, FedericoStariolo, Daniel Adrian2014-09-23T02:12:40Z20001063-651Xhttp://hdl.handle.net/10183/103656000277516The dynamical properties of a three-dimensional model glass, the frustrated Ising lattice gas (FILG), are studied by Monte Carlo simulations. We present results of compression experiments, where the chemical potential is either slowly or abruptly changed, as well as simulations at constant density. One time quantities like density and two time quantities like correlations, responses, and mean square displacements are measured, and the departure from equilibrium clearly characterized. The aging scenario, particularly in the case of density autocorrelations, is reminiscent of spin glass phenomenology with violations of the fluctuation-dissipation theorem, typical of systems with one replica symmetry breaking. The FILG, as a valid on-lattice model of structural glasses, can be described with tools developed in spin glass theory and, being a finite-dimensional model, can open the way for a systematic study of activated processes in glasses.application/pdfengPhysical review. E, Statistical physics, plasmas, fluids and related interdisciplinary topics. Melville. Vol. 62, no. 5 (Nov. 2000), p. 5978-5985Potencial químicoDinâmicaModelo de isingGás de redeMétodo de Monte CarloDynamics of the frustrated ising lattice gasEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSTEXT000277516.pdf.txt000277516.pdf.txtExtracted Texttext/plain39481http://www.lume.ufrgs.br/bitstream/10183/103656/2/000277516.pdf.txtcbc7f2449313674d6b431da3b1dafef6MD52ORIGINAL000277516.pdf000277516.pdfTexto completo (inglês)application/pdf129335http://www.lume.ufrgs.br/bitstream/10183/103656/1/000277516.pdfb9b9fe7263c014cac9e899f2ddbb493fMD51THUMBNAIL000277516.pdf.jpg000277516.pdf.jpgGenerated Thumbnailimage/jpeg1951http://www.lume.ufrgs.br/bitstream/10183/103656/3/000277516.pdf.jpge828b71bee0b360c744edb1dafe706e4MD5310183/1036562024-03-28 06:23:21.433164oai:www.lume.ufrgs.br:10183/103656Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2024-03-28T09:23:21Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false
dc.title.pt_BR.fl_str_mv Dynamics of the frustrated ising lattice gas
title Dynamics of the frustrated ising lattice gas
spellingShingle Dynamics of the frustrated ising lattice gas
Arenzon, Jeferson Jacob
Potencial químico
Dinâmica
Modelo de ising
Gás de rede
Método de Monte Carlo
title_short Dynamics of the frustrated ising lattice gas
title_full Dynamics of the frustrated ising lattice gas
title_fullStr Dynamics of the frustrated ising lattice gas
title_full_unstemmed Dynamics of the frustrated ising lattice gas
title_sort Dynamics of the frustrated ising lattice gas
author Arenzon, Jeferson Jacob
author_facet Arenzon, Jeferson Jacob
Ricci-Tersenghi, Federico
Stariolo, Daniel Adrian
author_role author
author2 Ricci-Tersenghi, Federico
Stariolo, Daniel Adrian
author2_role author
author
dc.contributor.author.fl_str_mv Arenzon, Jeferson Jacob
Ricci-Tersenghi, Federico
Stariolo, Daniel Adrian
dc.subject.por.fl_str_mv Potencial químico
Dinâmica
Modelo de ising
Gás de rede
Método de Monte Carlo
topic Potencial químico
Dinâmica
Modelo de ising
Gás de rede
Método de Monte Carlo
description The dynamical properties of a three-dimensional model glass, the frustrated Ising lattice gas (FILG), are studied by Monte Carlo simulations. We present results of compression experiments, where the chemical potential is either slowly or abruptly changed, as well as simulations at constant density. One time quantities like density and two time quantities like correlations, responses, and mean square displacements are measured, and the departure from equilibrium clearly characterized. The aging scenario, particularly in the case of density autocorrelations, is reminiscent of spin glass phenomenology with violations of the fluctuation-dissipation theorem, typical of systems with one replica symmetry breaking. The FILG, as a valid on-lattice model of structural glasses, can be described with tools developed in spin glass theory and, being a finite-dimensional model, can open the way for a systematic study of activated processes in glasses.
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dc.date.issued.fl_str_mv 2000
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dc.language.iso.fl_str_mv eng
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dc.relation.ispartof.pt_BR.fl_str_mv Physical review. E, Statistical physics, plasmas, fluids and related interdisciplinary topics. Melville. Vol. 62, no. 5 (Nov. 2000), p. 5978-5985
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