Interaction between different kinds of quantum phase transitions

Autores
Plastino, Ángel Luis; Ferri, Gustavo L.; Plastino, Ángel Ricardo
Año de publicación
2021
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We employ two different Lipkin-like, exactly solvable models so as to display features of the competition between different fermion–fermion quantum interactions (at finite temperatures). One of our two interactions mimics the pairing interaction responsible for superconductivity. The other interaction is a monopole one that resembles the so-called quadrupole one, much used in nuclear physics as a residual interaction. The pairing versus monopole effects here observed afford for some interesting insights into the intricacies of the quantum many body problem, in particular with regards to so-called quantum phase transitions (strictly, level crossings).
Instituto de Física La Plata
Materia
Física
Pairing interaction
Monopole interaction
Quantum phase transitions
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/125442
Acceder
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oai_identifier_str oai:sedici.unlp.edu.ar:10915/125442
network_acronym_str SEDICI
repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Interaction between different kinds of quantum phase transitionsPlastino, Ángel LuisFerri, Gustavo L.Plastino, Ángel RicardoFísicaPairing interactionMonopole interactionQuantum phase transitionsWe employ two different Lipkin-like, exactly solvable models so as to display features of the competition between different fermion–fermion quantum interactions (at finite temperatures). One of our two interactions mimics the pairing interaction responsible for superconductivity. The other interaction is a monopole one that resembles the so-called quadrupole one, much used in nuclear physics as a residual interaction. The pairing versus monopole effects here observed afford for some interesting insights into the intricacies of the quantum many body problem, in particular with regards to so-called quantum phase transitions (strictly, level crossings).Instituto de Física La Plata2021info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://sedici.unlp.edu.ar/handle/10915/125442enginfo:eu-repo/semantics/altIdentifier/url/https://www.mdpi.com/2624-960X/3/2/15info:eu-repo/semantics/altIdentifier/issn/2624-960Xinfo:eu-repo/semantics/altIdentifier/doi/10.3390/quantum3020015info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-22T17:10:59Zoai:sedici.unlp.edu.ar:10915/125442Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-22 17:10:59.568SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Interaction between different kinds of quantum phase transitions
title Interaction between different kinds of quantum phase transitions
spellingShingle Interaction between different kinds of quantum phase transitions
Plastino, Ángel Luis
Física
Pairing interaction
Monopole interaction
Quantum phase transitions
title_short Interaction between different kinds of quantum phase transitions
title_full Interaction between different kinds of quantum phase transitions
title_fullStr Interaction between different kinds of quantum phase transitions
title_full_unstemmed Interaction between different kinds of quantum phase transitions
title_sort Interaction between different kinds of quantum phase transitions
dc.creator.none.fl_str_mv Plastino, Ángel Luis
Ferri, Gustavo L.
Plastino, Ángel Ricardo
author Plastino, Ángel Luis
author_facet Plastino, Ángel Luis
Ferri, Gustavo L.
Plastino, Ángel Ricardo
author_role author
author2 Ferri, Gustavo L.
Plastino, Ángel Ricardo
author2_role author
author
dc.subject.none.fl_str_mv Física
Pairing interaction
Monopole interaction
Quantum phase transitions
topic Física
Pairing interaction
Monopole interaction
Quantum phase transitions
dc.description.none.fl_txt_mv We employ two different Lipkin-like, exactly solvable models so as to display features of the competition between different fermion–fermion quantum interactions (at finite temperatures). One of our two interactions mimics the pairing interaction responsible for superconductivity. The other interaction is a monopole one that resembles the so-called quadrupole one, much used in nuclear physics as a residual interaction. The pairing versus monopole effects here observed afford for some interesting insights into the intricacies of the quantum many body problem, in particular with regards to so-called quantum phase transitions (strictly, level crossings).
Instituto de Física La Plata
description We employ two different Lipkin-like, exactly solvable models so as to display features of the competition between different fermion–fermion quantum interactions (at finite temperatures). One of our two interactions mimics the pairing interaction responsible for superconductivity. The other interaction is a monopole one that resembles the so-called quadrupole one, much used in nuclear physics as a residual interaction. The pairing versus monopole effects here observed afford for some interesting insights into the intricacies of the quantum many body problem, in particular with regards to so-called quantum phase transitions (strictly, level crossings).
publishDate 2021
dc.date.none.fl_str_mv 2021
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
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://sedici.unlp.edu.ar/handle/10915/125442
url http://sedici.unlp.edu.ar/handle/10915/125442
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.mdpi.com/2624-960X/3/2/15
info:eu-repo/semantics/altIdentifier/issn/2624-960X
info:eu-repo/semantics/altIdentifier/doi/10.3390/quantum3020015
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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score 12.982451

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