Fisher information contains all HO-quantum-statistics already at the semiclassical level

Autores
Pennini, Flavia; Plastino, Ángel Luis; Ferri, Gustavo Luís
Año de publicación
2006
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We study here the difference between quantum statistical treatments and semiclassical ones, using as the main research tool a semiclassical, shift-invariant Fisher information measure built up with Husimi distributions. Its semiclassical character notwithstanding, this measure also contains abundant information of a purely quantal nature. Such a tool allows us to refine the celebrated Lieb bound for Wehrl entropies and to discover thermodynamic-like relations that involve the degree of delocalization. Fisher-related thermal uncertainty relations are developed and the degree of purity of canonical distributions, regarded as mixed states, is connected to this Fisher measure as well.
Instituto de Física La Plata
Universidad Nacional de La Pampa
Materia
Física
Information theory
Phase-space
Semiclassical information
Delocalization
Purity
Thermal uncertainties
Fisher measures
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:10915/130800
Acceder
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network_acronym_str SEDICI
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network_name_str SEDICI (UNLP)
spelling Fisher information contains all HO-quantum-statistics already at the semiclassical levelPennini, FlaviaPlastino, Ángel LuisFerri, Gustavo LuísFísicaInformation theoryPhase-spaceSemiclassical informationDelocalizationPurityThermal uncertaintiesFisher measuresWe study here the difference between quantum statistical treatments and semiclassical ones, using as the main research tool a semiclassical, shift-invariant Fisher information measure built up with Husimi distributions. Its semiclassical character notwithstanding, this measure also contains abundant information of a purely quantal nature. Such a tool allows us to refine the celebrated Lieb bound for Wehrl entropies and to discover thermodynamic-like relations that involve the degree of delocalization. Fisher-related thermal uncertainty relations are developed and the degree of purity of canonical distributions, regarded as mixed states, is connected to this Fisher measure as well.Instituto de Física La PlataUniversidad Nacional de La Pampa2006info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf14-20http://sedici.unlp.edu.ar/handle/10915/130800enginfo:eu-repo/semantics/altIdentifier/issn/0375-9601info:eu-repo/semantics/altIdentifier/arxiv/cond-mat/0408072info:eu-repo/semantics/altIdentifier/doi/10.1016/j.physleta.2006.06.003info: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:UNLP2025-09-29T11:31:17Zoai:sedici.unlp.edu.ar:10915/130800Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:31:17.862SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Fisher information contains all HO-quantum-statistics already at the semiclassical level
title Fisher information contains all HO-quantum-statistics already at the semiclassical level
spellingShingle Fisher information contains all HO-quantum-statistics already at the semiclassical level
Pennini, Flavia
Física
Information theory
Phase-space
Semiclassical information
Delocalization
Purity
Thermal uncertainties
Fisher measures
title_short Fisher information contains all HO-quantum-statistics already at the semiclassical level
title_full Fisher information contains all HO-quantum-statistics already at the semiclassical level
title_fullStr Fisher information contains all HO-quantum-statistics already at the semiclassical level
title_full_unstemmed Fisher information contains all HO-quantum-statistics already at the semiclassical level
title_sort Fisher information contains all HO-quantum-statistics already at the semiclassical level
dc.creator.none.fl_str_mv Pennini, Flavia
Plastino, Ángel Luis
Ferri, Gustavo Luís
author Pennini, Flavia
author_facet Pennini, Flavia
Plastino, Ángel Luis
Ferri, Gustavo Luís
author_role author
author2 Plastino, Ángel Luis
Ferri, Gustavo Luís
author2_role author
author
dc.subject.none.fl_str_mv Física
Information theory
Phase-space
Semiclassical information
Delocalization
Purity
Thermal uncertainties
Fisher measures
topic Física
Information theory
Phase-space
Semiclassical information
Delocalization
Purity
Thermal uncertainties
Fisher measures
dc.description.none.fl_txt_mv We study here the difference between quantum statistical treatments and semiclassical ones, using as the main research tool a semiclassical, shift-invariant Fisher information measure built up with Husimi distributions. Its semiclassical character notwithstanding, this measure also contains abundant information of a purely quantal nature. Such a tool allows us to refine the celebrated Lieb bound for Wehrl entropies and to discover thermodynamic-like relations that involve the degree of delocalization. Fisher-related thermal uncertainty relations are developed and the degree of purity of canonical distributions, regarded as mixed states, is connected to this Fisher measure as well.
Instituto de Física La Plata
Universidad Nacional de La Pampa
description We study here the difference between quantum statistical treatments and semiclassical ones, using as the main research tool a semiclassical, shift-invariant Fisher information measure built up with Husimi distributions. Its semiclassical character notwithstanding, this measure also contains abundant information of a purely quantal nature. Such a tool allows us to refine the celebrated Lieb bound for Wehrl entropies and to discover thermodynamic-like relations that involve the degree of delocalization. Fisher-related thermal uncertainty relations are developed and the degree of purity of canonical distributions, regarded as mixed states, is connected to this Fisher measure as well.
publishDate 2006
dc.date.none.fl_str_mv 2006
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/10915/130800
url http://sedici.unlp.edu.ar/handle/10915/130800
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/0375-9601
info:eu-repo/semantics/altIdentifier/arxiv/cond-mat/0408072
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.physleta.2006.06.003
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
14-20
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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