Non-Fermi liquids at finite temperature: Normal-state and infrared singularities

Autores
Wang, Huajia; Torroba, Gonzalo
Año de publicación
2017
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We analyze quantum criticality at finite temperature for a class of non-Fermi liquids with massless bosons. Finite temperature gives rise to new infrared singularities that invalidate standard perturbative treatments. We show how such divergences are resolved at a nonperturbative level, and obtain the resulting fermion self-energy. This leads to a new "thermal" non-Fermi liquid regime that extends over a wide range of frequencies, and which violates finite temperature scaling laws near quantum critical points. We analyze the resulting quantum critical region and properties of the retarded Green's function. More generally, such effects dominate in the nearly static limit and are expected to have a nontrivial impact on superconductivity and transport.
Fil: Wang, Huajia. University of Illinois; Estados Unidos
Fil: Torroba, Gonzalo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina
Materia
QUANTUM CRITICALITY
STRONGLY CORRELATED SYSTEMS
NON-FERMI LIQUIDS
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/70633
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Non-Fermi liquids at finite temperature: Normal-state and infrared singularitiesWang, HuajiaTorroba, GonzaloQUANTUM CRITICALITYSTRONGLY CORRELATED SYSTEMSNON-FERMI LIQUIDShttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We analyze quantum criticality at finite temperature for a class of non-Fermi liquids with massless bosons. Finite temperature gives rise to new infrared singularities that invalidate standard perturbative treatments. We show how such divergences are resolved at a nonperturbative level, and obtain the resulting fermion self-energy. This leads to a new "thermal" non-Fermi liquid regime that extends over a wide range of frequencies, and which violates finite temperature scaling laws near quantum critical points. We analyze the resulting quantum critical region and properties of the retarded Green's function. More generally, such effects dominate in the nearly static limit and are expected to have a nontrivial impact on superconductivity and transport.Fil: Wang, Huajia. University of Illinois; Estados UnidosFil: Torroba, Gonzalo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; ArgentinaAmerican Physical Society2017-10-16info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/70633Wang, Huajia; Torroba, Gonzalo; Non-Fermi liquids at finite temperature: Normal-state and infrared singularities; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 96; 14; 16-10-2017; 1-122469-99502469-9969CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.96.144508info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.96.144508info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1706.07471info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:06:37Zoai:ri.conicet.gov.ar:11336/70633instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 10:06:38.013CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Non-Fermi liquids at finite temperature: Normal-state and infrared singularities
title Non-Fermi liquids at finite temperature: Normal-state and infrared singularities
spellingShingle Non-Fermi liquids at finite temperature: Normal-state and infrared singularities
Wang, Huajia
QUANTUM CRITICALITY
STRONGLY CORRELATED SYSTEMS
NON-FERMI LIQUIDS
title_short Non-Fermi liquids at finite temperature: Normal-state and infrared singularities
title_full Non-Fermi liquids at finite temperature: Normal-state and infrared singularities
title_fullStr Non-Fermi liquids at finite temperature: Normal-state and infrared singularities
title_full_unstemmed Non-Fermi liquids at finite temperature: Normal-state and infrared singularities
title_sort Non-Fermi liquids at finite temperature: Normal-state and infrared singularities
dc.creator.none.fl_str_mv Wang, Huajia
Torroba, Gonzalo
author Wang, Huajia
author_facet Wang, Huajia
Torroba, Gonzalo
author_role author
author2 Torroba, Gonzalo
author2_role author
dc.subject.none.fl_str_mv QUANTUM CRITICALITY
STRONGLY CORRELATED SYSTEMS
NON-FERMI LIQUIDS
topic QUANTUM CRITICALITY
STRONGLY CORRELATED SYSTEMS
NON-FERMI LIQUIDS
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We analyze quantum criticality at finite temperature for a class of non-Fermi liquids with massless bosons. Finite temperature gives rise to new infrared singularities that invalidate standard perturbative treatments. We show how such divergences are resolved at a nonperturbative level, and obtain the resulting fermion self-energy. This leads to a new "thermal" non-Fermi liquid regime that extends over a wide range of frequencies, and which violates finite temperature scaling laws near quantum critical points. We analyze the resulting quantum critical region and properties of the retarded Green's function. More generally, such effects dominate in the nearly static limit and are expected to have a nontrivial impact on superconductivity and transport.
Fil: Wang, Huajia. University of Illinois; Estados Unidos
Fil: Torroba, Gonzalo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina
description We analyze quantum criticality at finite temperature for a class of non-Fermi liquids with massless bosons. Finite temperature gives rise to new infrared singularities that invalidate standard perturbative treatments. We show how such divergences are resolved at a nonperturbative level, and obtain the resulting fermion self-energy. This leads to a new "thermal" non-Fermi liquid regime that extends over a wide range of frequencies, and which violates finite temperature scaling laws near quantum critical points. We analyze the resulting quantum critical region and properties of the retarded Green's function. More generally, such effects dominate in the nearly static limit and are expected to have a nontrivial impact on superconductivity and transport.
publishDate 2017
dc.date.none.fl_str_mv 2017-10-16
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/70633
Wang, Huajia; Torroba, Gonzalo; Non-Fermi liquids at finite temperature: Normal-state and infrared singularities; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 96; 14; 16-10-2017; 1-12
2469-9950
2469-9969
CONICET Digital
CONICET
url http://hdl.handle.net/11336/70633
identifier_str_mv Wang, Huajia; Torroba, Gonzalo; Non-Fermi liquids at finite temperature: Normal-state and infrared singularities; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 96; 14; 16-10-2017; 1-12
2469-9950
2469-9969
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.96.144508
info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.96.144508
info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1706.07471
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.13397

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