Order-parameter fluctuations in Ising spin glasses at low temperatures

We present a numerical study of the order-parameter fluctuations for Ising spin glasses in three and four dimensions at very low temperatures and without an external field. Accurate measurements of two previously introduced parameters, A and G, show that the order parameter is not self-averaging, co...

Descripción completa

Detalles Bibliográficos
Autores: Palassini, Matteo, Sales i Pardo, Marta, Ritort Farran, Fèlix
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2003
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/10920
Acceso en línea:https://hdl.handle.net/2445/10920
Access Level:acceso abierto
Palabra clave:Vidres de spin
Temperatures baixes
Propietats magnètiques
Spin glasses
Low temperatures
Magnetic properties
id ES_f1db2e7e044d30132e357783d44f35a1
oai_identifier_str oai:recercat.cat:2445/10920
network_acronym_str ES
network_name_str España
repository_id_str
spelling Order-parameter fluctuations in Ising spin glasses at low temperaturesPalassini, MatteoSales i Pardo, MartaRitort Farran, FèlixVidres de spinTemperatures baixesPropietats magnètiquesSpin glassesLow temperaturesMagnetic propertiesWe present a numerical study of the order-parameter fluctuations for Ising spin glasses in three and four dimensions at very low temperatures and without an external field. Accurate measurements of two previously introduced parameters, A and G, show that the order parameter is not self-averaging, consistent with a zero-temperature thermal exponent value \theta' \simeq 0, and confirm the validity of the relation G=1/3 in the thermodynamic limit in the whole low-temperature phase, as predicted by stochastic stability arguments.The American Physical Society201020102003info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersion6 p.application/pdfhttps://hdl.handle.net/2445/10920Articles publicats en revistes (Física de la Matèria Condensada)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésReproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.68.224430Physical Review B, 2003, vol. 68, núm. 22, p. 224430-1-224430-6http://doi.org/10.1103/PhysRevB.68.224430(c) The American Physical Society, 2003info:eu-repo/semantics/openAccessoai:recercat.cat:2445/109202026-05-29T05:05:01Z
dc.title.none.fl_str_mv Order-parameter fluctuations in Ising spin glasses at low temperatures
title Order-parameter fluctuations in Ising spin glasses at low temperatures
spellingShingle Order-parameter fluctuations in Ising spin glasses at low temperatures
Palassini, Matteo
Vidres de spin
Temperatures baixes
Propietats magnètiques
Spin glasses
Low temperatures
Magnetic properties
title_short Order-parameter fluctuations in Ising spin glasses at low temperatures
title_full Order-parameter fluctuations in Ising spin glasses at low temperatures
title_fullStr Order-parameter fluctuations in Ising spin glasses at low temperatures
title_full_unstemmed Order-parameter fluctuations in Ising spin glasses at low temperatures
title_sort Order-parameter fluctuations in Ising spin glasses at low temperatures
dc.creator.none.fl_str_mv Palassini, Matteo
Sales i Pardo, Marta
Ritort Farran, Fèlix
author Palassini, Matteo
author_facet Palassini, Matteo
Sales i Pardo, Marta
Ritort Farran, Fèlix
author_role author
author2 Sales i Pardo, Marta
Ritort Farran, Fèlix
author2_role author
author
dc.subject.none.fl_str_mv Vidres de spin
Temperatures baixes
Propietats magnètiques
Spin glasses
Low temperatures
Magnetic properties
topic Vidres de spin
Temperatures baixes
Propietats magnètiques
Spin glasses
Low temperatures
Magnetic properties
description We present a numerical study of the order-parameter fluctuations for Ising spin glasses in three and four dimensions at very low temperatures and without an external field. Accurate measurements of two previously introduced parameters, A and G, show that the order parameter is not self-averaging, consistent with a zero-temperature thermal exponent value \theta' \simeq 0, and confirm the validity of the relation G=1/3 in the thermodynamic limit in the whole low-temperature phase, as predicted by stochastic stability arguments.
publishDate 2003
dc.date.none.fl_str_mv 2003
2010
2010
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/10920
url https://hdl.handle.net/2445/10920
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.68.224430
Physical Review B, 2003, vol. 68, núm. 22, p. 224430-1-224430-6
http://doi.org/10.1103/PhysRevB.68.224430
dc.rights.none.fl_str_mv (c) The American Physical Society, 2003
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) The American Physical Society, 2003
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 6 p.
application/pdf
dc.publisher.none.fl_str_mv The American Physical Society
publisher.none.fl_str_mv The American Physical Society
dc.source.none.fl_str_mv Articles publicats en revistes (Física de la Matèria Condensada)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869424221793288192
score 15,811543

Similares en LA Referencia