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dc.contributor.authorBoguslavski, Kirill
dc.contributor.authorKurkela, A.
dc.contributor.authorLappi, Tuomas
dc.contributor.authorPeuron, Jarkko
dc.date.accessioned2018-07-09T10:18:12Z
dc.date.available2018-07-09T10:18:12Z
dc.date.issued2018
dc.identifier.citationBoguslavski, K., Kurkela, A., Lappi, T., & Peuron, J. (2018). Spectral function for overoccupied gluodynamics from real-time lattice simulations. <i>Physical Review D</i>, <i>98</i>(1), 014006. <a href="https://doi.org/10.1103/PhysRevD.98.014006" target="_blank">https://doi.org/10.1103/PhysRevD.98.014006</a>
dc.identifier.otherCONVID_28156181
dc.identifier.otherTUTKAID_78219
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/58873
dc.description.abstractWe study the spectral properties of a highly occupied non-Abelian nonequilibrium plasma appearing ubiquitously in weak coupling descriptions of QCD matter. The spectral function of this far-fromequilibrium plasma is measured by employing linear response theory in classical-statistical real-time lattice Yang-Mills simulations. We establish the existence of transversely and longitudinally polarized quasiparticles and obtain their dispersion relations, effective mass, plasmon frequency, damping rate and further structures in the spectral and statistical functions. Our new method can be interpreted as a nonperturbative generalization of hard thermal loop (HTL) effective theory. We see indications that our results approach leading order HTL in the appropriate limit. The method can also be employed beyond the range of validity of HTL.fi
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.relation.ispartofseriesPhysical Review D
dc.rightsCC BY 4.0
dc.subject.otherfinite temperature field theory
dc.subject.otherlattice field theory
dc.subject.othernonperturbative effects in field theory
dc.subject.otherquantum chromodynamics
dc.subject.otherrelativistic heavy-ion collisions
dc.titleSpectral function for overoccupied gluodynamics from real-time lattice simulations
dc.typearticle
dc.identifier.urnURN:NBN:fi:jyu-201807093495
dc.contributor.laitosFysiikan laitosfi
dc.contributor.laitosDepartment of Physicsen
dc.type.urihttp://purl.org/eprint/type/JournalArticle
dc.date.updated2018-07-09T09:15:16Z
dc.type.coarhttp://purl.org/coar/resource_type/c_2df8fbb1
dc.description.reviewstatuspeerReviewed
dc.format.pagerange014006
dc.relation.issn2470-0010
dc.relation.numberinseries1
dc.relation.volume98
dc.type.versionpublishedVersion
dc.rights.copyright© the Authors, 2018. Published by the American Physical Society.
dc.rights.accesslevelopenAccessfi
dc.relation.grantnumber267321
dc.relation.grantnumber681707
dc.relation.grantnumber681707
dc.relation.grantnumber303756
dc.relation.projectidinfo:eu-repo/grantAgreement/EC/H2020/681707/EU//CGCglasmaQGP
dc.subject.ysohiukkasfysiikka
dc.subject.ysokvanttikenttäteoria
dc.subject.ysokvarkki-gluoniplasma
dc.format.contentfulltext
jyx.subject.urihttp://www.yso.fi/onto/yso/p15576
jyx.subject.urihttp://www.yso.fi/onto/yso/p27496
jyx.subject.urihttp://www.yso.fi/onto/yso/p38826
dc.rights.urlhttps://creativecommons.org/licenses/by/4.0/
dc.relation.doi10.1103/PhysRevD.98.014006
dc.relation.funderSuomen Akatemiafi
dc.relation.funderEuroopan komissiofi
dc.relation.funderSuomen Akatemiafi
dc.relation.funderAcademy of Finlanden
dc.relation.funderEuropean Commissionen
dc.relation.funderAcademy of Finlanden
jyx.fundingprogramAkatemiatutkija, SAfi
jyx.fundingprogramERC European Research Council, H2020fi
jyx.fundingprogramAkatemiatutkijan tutkimuskulut, SAfi
jyx.fundingprogramAcademy Research Fellow, AoFen
jyx.fundingprogramERC European Research Council, H2020en
jyx.fundingprogramResearch costs of Academy Research Fellow, AoFen
jyx.fundinginformationWe are grateful to Jürgen Berges, Jacopo Ghiglieri and Asier Piñeiro Orioli for valuable discussions and would like to thank Asier Piñeiro Orioli for sharing with us the method in Eq. (44) in a private communication. T. L. is supported by the Academy of Finland, Projects No. 267321 and No. 303756. This work is supported by the European Research Council, Grant No. ERC-2015-CoG-681707. J. P. is supported by the Jenny and Antti Wihuri Foundation. J. P. acknowledges support for travel from the Magnus Ehrnrooth Foundation. K. B. and J. P. would like to thank CERN and its Theory group for hospitality during part of this work. The authors wish to acknowledge CSC-IT Center for Science, Finland, for computational resources.
dc.type.okmA1


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