Features of spin-charge separation in the equilibrium conductance through finite rings

Autores
Jimenez Rincon, Jose Julian; Aligia, Armando Ángel; Hallberg, Karen Astrid
Año de publicación
2009
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We calculate the conductance through rings with few sites L described by the t-J model, threaded by a magnetic flux Φ and weakly coupled to conducting leads at two arbitrary sites. The model can describe a circular array of quantum dots with large charging energy U in comparison with the nearest-neighbor hopping t. We determine analytically the particular values of Φ for which a depression of the transmittance is expected as a consequence of spin-charge separation. We show numerically that the equilibrium conductance at zero temperature is depressed at those particular values of Φ for most systems, in particular at half filling, which might be easier to realize experimentally.
Fil: Jimenez Rincon, Jose Julian. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina
Fil: Aligia, Armando Ángel. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Fil: Hallberg, Karen Astrid. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Materia
Spin-charge separation
Quantum Interference
Conductance
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/70024
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/70024
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Features of spin-charge separation in the equilibrium conductance through finite ringsJimenez Rincon, Jose JulianAligia, Armando ÁngelHallberg, Karen AstridSpin-charge separationQuantum InterferenceConductancehttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We calculate the conductance through rings with few sites L described by the t-J model, threaded by a magnetic flux Φ and weakly coupled to conducting leads at two arbitrary sites. The model can describe a circular array of quantum dots with large charging energy U in comparison with the nearest-neighbor hopping t. We determine analytically the particular values of Φ for which a depression of the transmittance is expected as a consequence of spin-charge separation. We show numerically that the equilibrium conductance at zero temperature is depressed at those particular values of Φ for most systems, in particular at half filling, which might be easier to realize experimentally.Fil: Jimenez Rincon, Jose Julian. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; ArgentinaFil: Aligia, Armando Ángel. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; ArgentinaFil: Hallberg, Karen Astrid. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; ArgentinaAmerican Physical Society2009-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/70024Jimenez Rincon, Jose Julian; Aligia, Armando Ángel; Hallberg, Karen Astrid; Features of spin-charge separation in the equilibrium conductance through finite rings; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 79; 3; 1-2009; 35112-351160163-18291098-0121CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.79.035112info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.79.035112info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/0811.2330?context=cond-matinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:30:52Zoai:ri.conicet.gov.ar:11336/70024instacron: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:34982025-10-15 14:30:53.266CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Features of spin-charge separation in the equilibrium conductance through finite rings
title Features of spin-charge separation in the equilibrium conductance through finite rings
spellingShingle Features of spin-charge separation in the equilibrium conductance through finite rings
Jimenez Rincon, Jose Julian
Spin-charge separation
Quantum Interference
Conductance
title_short Features of spin-charge separation in the equilibrium conductance through finite rings
title_full Features of spin-charge separation in the equilibrium conductance through finite rings
title_fullStr Features of spin-charge separation in the equilibrium conductance through finite rings
title_full_unstemmed Features of spin-charge separation in the equilibrium conductance through finite rings
title_sort Features of spin-charge separation in the equilibrium conductance through finite rings
dc.creator.none.fl_str_mv Jimenez Rincon, Jose Julian
Aligia, Armando Ángel
Hallberg, Karen Astrid
author Jimenez Rincon, Jose Julian
author_facet Jimenez Rincon, Jose Julian
Aligia, Armando Ángel
Hallberg, Karen Astrid
author_role author
author2 Aligia, Armando Ángel
Hallberg, Karen Astrid
author2_role author
author
dc.subject.none.fl_str_mv Spin-charge separation
Quantum Interference
Conductance
topic Spin-charge separation
Quantum Interference
Conductance
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 calculate the conductance through rings with few sites L described by the t-J model, threaded by a magnetic flux Φ and weakly coupled to conducting leads at two arbitrary sites. The model can describe a circular array of quantum dots with large charging energy U in comparison with the nearest-neighbor hopping t. We determine analytically the particular values of Φ for which a depression of the transmittance is expected as a consequence of spin-charge separation. We show numerically that the equilibrium conductance at zero temperature is depressed at those particular values of Φ for most systems, in particular at half filling, which might be easier to realize experimentally.
Fil: Jimenez Rincon, Jose Julian. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina
Fil: Aligia, Armando Ángel. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Fil: Hallberg, Karen Astrid. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
description We calculate the conductance through rings with few sites L described by the t-J model, threaded by a magnetic flux Φ and weakly coupled to conducting leads at two arbitrary sites. The model can describe a circular array of quantum dots with large charging energy U in comparison with the nearest-neighbor hopping t. We determine analytically the particular values of Φ for which a depression of the transmittance is expected as a consequence of spin-charge separation. We show numerically that the equilibrium conductance at zero temperature is depressed at those particular values of Φ for most systems, in particular at half filling, which might be easier to realize experimentally.
publishDate 2009
dc.date.none.fl_str_mv 2009-01
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/11336/70024
Jimenez Rincon, Jose Julian; Aligia, Armando Ángel; Hallberg, Karen Astrid; Features of spin-charge separation in the equilibrium conductance through finite rings; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 79; 3; 1-2009; 35112-35116
0163-1829
1098-0121
CONICET Digital
CONICET
url http://hdl.handle.net/11336/70024
identifier_str_mv Jimenez Rincon, Jose Julian; Aligia, Armando Ángel; Hallberg, Karen Astrid; Features of spin-charge separation in the equilibrium conductance through finite rings; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 79; 3; 1-2009; 35112-35116
0163-1829
1098-0121
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.79.035112
info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.79.035112
info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/0811.2330?context=cond-mat
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
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 13.22299

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