Renormalization-group calculation of excitation properties for impurity models
Autor(a) principal: | |
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Data de Publicação: | 1990 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1103/PhysRevB.41.9403 http://hdl.handle.net/11449/223840 |
Resumo: | The renormalization-group method developed by Wilson to calculate thermodynamical properties of dilute magnetic alloys is generalized to allow the calculation of dynamical properties of many-body impurity Hamiltonians. As a simple illustration, the impurity spectral density for the resonant-level model (i.e., the U=0 Anderson model) is computed. As a second illustration, for the same model, the longitudinal relaxation rate for a nuclear spin coupled to the impurity is calculated as a function of temperature. © 1990 The American Physical Society. |
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Repositório Institucional da UNESP |
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2946 |
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Renormalization-group calculation of excitation properties for impurity modelsThe renormalization-group method developed by Wilson to calculate thermodynamical properties of dilute magnetic alloys is generalized to allow the calculation of dynamical properties of many-body impurity Hamiltonians. As a simple illustration, the impurity spectral density for the resonant-level model (i.e., the U=0 Anderson model) is computed. As a second illustration, for the same model, the longitudinal relaxation rate for a nuclear spin coupled to the impurity is calculated as a function of temperature. © 1990 The American Physical Society.Departamento de Física, Instituto de Geociências e Ciências Exatas, Universidade Estadual Paulista, 13500 Rio Claro, São PauloDepartamento de Física e Ciência Dos Materiais, Instituto de Física e Química de São Carlos, Universidade de São Paulo, 13560 Sao Carlos, Sao PauloDepartamento de Física, Instituto de Geociências e Ciências Exatas, Universidade Estadual Paulista, 13500 Rio Claro, São PauloUniversidade Estadual Paulista (UNESP)Universidade de São Paulo (USP)Yoshida, M. [UNESP]Whitaker, M. A.Oliveira, L. N.2022-04-28T19:53:21Z2022-04-28T19:53:21Z1990-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article9403-9414http://dx.doi.org/10.1103/PhysRevB.41.9403Physical Review B, v. 41, n. 13, p. 9403-9414, 1990.0163-1829http://hdl.handle.net/11449/22384010.1103/PhysRevB.41.94032-s2.0-0001613611Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengPhysical Review Binfo:eu-repo/semantics/openAccess2022-04-28T19:53:21Zoai:repositorio.unesp.br:11449/223840Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T18:06:10.426883Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Renormalization-group calculation of excitation properties for impurity models |
title |
Renormalization-group calculation of excitation properties for impurity models |
spellingShingle |
Renormalization-group calculation of excitation properties for impurity models Yoshida, M. [UNESP] |
title_short |
Renormalization-group calculation of excitation properties for impurity models |
title_full |
Renormalization-group calculation of excitation properties for impurity models |
title_fullStr |
Renormalization-group calculation of excitation properties for impurity models |
title_full_unstemmed |
Renormalization-group calculation of excitation properties for impurity models |
title_sort |
Renormalization-group calculation of excitation properties for impurity models |
author |
Yoshida, M. [UNESP] |
author_facet |
Yoshida, M. [UNESP] Whitaker, M. A. Oliveira, L. N. |
author_role |
author |
author2 |
Whitaker, M. A. Oliveira, L. N. |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) Universidade de São Paulo (USP) |
dc.contributor.author.fl_str_mv |
Yoshida, M. [UNESP] Whitaker, M. A. Oliveira, L. N. |
description |
The renormalization-group method developed by Wilson to calculate thermodynamical properties of dilute magnetic alloys is generalized to allow the calculation of dynamical properties of many-body impurity Hamiltonians. As a simple illustration, the impurity spectral density for the resonant-level model (i.e., the U=0 Anderson model) is computed. As a second illustration, for the same model, the longitudinal relaxation rate for a nuclear spin coupled to the impurity is calculated as a function of temperature. © 1990 The American Physical Society. |
publishDate |
1990 |
dc.date.none.fl_str_mv |
1990-01-01 2022-04-28T19:53:21Z 2022-04-28T19:53:21Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1103/PhysRevB.41.9403 Physical Review B, v. 41, n. 13, p. 9403-9414, 1990. 0163-1829 http://hdl.handle.net/11449/223840 10.1103/PhysRevB.41.9403 2-s2.0-0001613611 |
url |
http://dx.doi.org/10.1103/PhysRevB.41.9403 http://hdl.handle.net/11449/223840 |
identifier_str_mv |
Physical Review B, v. 41, n. 13, p. 9403-9414, 1990. 0163-1829 10.1103/PhysRevB.41.9403 2-s2.0-0001613611 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Physical Review B |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
9403-9414 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808128894253924352 |