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
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/125442
Ver los metadatos del registro completo
id |
SEDICI_7e1ac22be40f1ad91c8d3ee534fa1580 |
---|---|
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:UNLP2025-09-29T11:30:03Zoai: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:13292025-09-29 11:30:03.585SEDICI (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 |
_version_ |
1844616179921977344 |
score |
13.070432 |