Sphaleron Rate of Nf=2+1 QCD

We compute the sphaleron rate of Nf=2+1 QCD at the physical point for a range of temperatures 200 MeV≲T≲600 MeV. We adopt a strategy recently applied in the quenched case, based on the extraction of the rate via a modified version of the Backus-Gilbert method from finite-lattice-spacing and finite-s...

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Detalles Bibliográficos
Autores: Bonanno, C., D'Elia, M., Maio, L., Naviglio, M.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2024
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/414847
Acceso en línea:http://hdl.handle.net/10261/414847
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85184143946&doi=10.1103%2FPhysRevLett.132.051903&partnerID=40&md5=03b19d77b8d9115f31ccb15a04d07b00
Access Level:acceso abierto
Palabra clave:Topology
Backus-Gilbert
Case based
Continuum limits
Dynamical fermions
Euclidean
Finite lattices
Lattice spacing
Lattice-finite
Topological charge densities
Topological susceptibility
Correlators
Artifact
Charge density
Controlled study
Drug therapy
Fermion
Temperature
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spelling Sphaleron Rate of Nf=2+1 QCDBonanno, C.D'Elia, M.Maio, L.Naviglio, M.TopologyBackus-GilbertCase basedContinuum limitsDynamical fermionsEuclideanFinite latticesLattice spacingLattice-finiteTopological charge densitiesTopological susceptibilityCorrelatorsArtifactCharge densityControlled studyDrug therapyFermionTemperatureWe compute the sphaleron rate of Nf=2+1 QCD at the physical point for a range of temperatures 200 MeV≲T≲600 MeV. We adopt a strategy recently applied in the quenched case, based on the extraction of the rate via a modified version of the Backus-Gilbert method from finite-lattice-spacing and finite-smoothing-radius Euclidean topological charge density correlators. The physical sphaleron rate is finally computed by performing a continuum limit at fixed physical smoothing radius, followed by a zero-smoothing extrapolation. Dynamical fermions were discretized using the staggered formulation, which is known to yield large lattice artifacts for the topological susceptibility. However, we find them to be rather mild for the sphaleron rate. © 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.It is a pleasure to thank G. Gagliardi, V. Lubicz, F. Sanfilippo, G. Villadoro, and J. H. Weber for useful discussions. The work of C. B. is supported by the Spanish Research Agency (Agencia Estatal de Investigación) through the grant IFT Centro de Excelencia Severo Ochoa CEX2020-001007-S and, partially, by grant PID2021-127526NB-I00, both funded by MCIN/AEI. C. B. also acknowledges support from the project H2020-MSCAITN-2018-813942 (EuroPLEx) and the EU Horizon 2020 research and innovation program, STRONG- 2020 project, under Grant Agreement No. 824093. Numerical simulations have been performed on the Marconi and Marconi100 machines at CINECA, based on the agreement between INFN and CINECA, under projects INF22_npqcd and INF23_npqcd.Peer reviewedAmerican Physical SocietyMinisterio de Ciencia e Innovación (España)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202620262024info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/414847https://www.scopus.com/inward/record.uri?eid=2-s2.0-85184143946&doi=10.1103%2FPhysRevLett.132.051903&partnerID=40&md5=03b19d77b8d9115f31ccb15a04d07b00reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)InglésThe underlying dataset has been published as supplementary material of the article in the publisher platform at DOI https://doi.org/10.1103/PhysRevLett.132.051903https://doi.org/10.1103/PhysRevLett.132.051903Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/4148472026-05-22T06:33:51Z
dc.title.none.fl_str_mv Sphaleron Rate of Nf=2+1 QCD
title Sphaleron Rate of Nf=2+1 QCD
spellingShingle Sphaleron Rate of Nf=2+1 QCD
Bonanno, C.
Topology
Backus-Gilbert
Case based
Continuum limits
Dynamical fermions
Euclidean
Finite lattices
Lattice spacing
Lattice-finite
Topological charge densities
Topological susceptibility
Correlators
Artifact
Charge density
Controlled study
Drug therapy
Fermion
Temperature
title_short Sphaleron Rate of Nf=2+1 QCD
title_full Sphaleron Rate of Nf=2+1 QCD
title_fullStr Sphaleron Rate of Nf=2+1 QCD
title_full_unstemmed Sphaleron Rate of Nf=2+1 QCD
title_sort Sphaleron Rate of Nf=2+1 QCD
dc.creator.none.fl_str_mv Bonanno, C.
D'Elia, M.
Maio, L.
Naviglio, M.
author Bonanno, C.
author_facet Bonanno, C.
D'Elia, M.
Maio, L.
Naviglio, M.
author_role author
author2 D'Elia, M.
Maio, L.
Naviglio, M.
author2_role author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia e Innovación (España)
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Topology
Backus-Gilbert
Case based
Continuum limits
Dynamical fermions
Euclidean
Finite lattices
Lattice spacing
Lattice-finite
Topological charge densities
Topological susceptibility
Correlators
Artifact
Charge density
Controlled study
Drug therapy
Fermion
Temperature
topic Topology
Backus-Gilbert
Case based
Continuum limits
Dynamical fermions
Euclidean
Finite lattices
Lattice spacing
Lattice-finite
Topological charge densities
Topological susceptibility
Correlators
Artifact
Charge density
Controlled study
Drug therapy
Fermion
Temperature
description We compute the sphaleron rate of Nf=2+1 QCD at the physical point for a range of temperatures 200 MeV≲T≲600 MeV. We adopt a strategy recently applied in the quenched case, based on the extraction of the rate via a modified version of the Backus-Gilbert method from finite-lattice-spacing and finite-smoothing-radius Euclidean topological charge density correlators. The physical sphaleron rate is finally computed by performing a continuum limit at fixed physical smoothing radius, followed by a zero-smoothing extrapolation. Dynamical fermions were discretized using the staggered formulation, which is known to yield large lattice artifacts for the topological susceptibility. However, we find them to be rather mild for the sphaleron rate. © 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.
publishDate 2024
dc.date.none.fl_str_mv 2024
2026
2026
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/414847
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85184143946&doi=10.1103%2FPhysRevLett.132.051903&partnerID=40&md5=03b19d77b8d9115f31ccb15a04d07b00
url http://hdl.handle.net/10261/414847
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85184143946&doi=10.1103%2FPhysRevLett.132.051903&partnerID=40&md5=03b19d77b8d9115f31ccb15a04d07b00
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI https://doi.org/10.1103/PhysRevLett.132.051903
https://doi.org/10.1103/PhysRevLett.132.051903
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 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:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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