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Relativistic BGK hydrodynamics

2024
journal article
article
10.1140/epjc/s10052-024-12784-9
Journal
European Physical Journal C
Author
Singha Pracheta

Bhadury Samapan

Mukherjee Arghya

Jaiswal Amaresh
Volume
84
Number
4
Article ID
417
ISSN
1434-6044
eISSN
1434-6052
Language
English
Journal language
English
Abstract in English

Bhatnagar–Gross–Krook (BGK) collision kernel is employed in the Boltzmann equation to formulate relativistic dissipative hydrodynamics. In this formulation, we find that there remains freedom of choosing a matching condition that affects the scalar transport in the system. We also propose a new collision kernel which, unlike BGK collision kernel, is valid in the limit of zero chemical potential and derive relativistic first-order dissipative hydrodynamics using it. We study the effects of this new formulation on the coefficient of bulk viscosity.

Affiliation
Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki Teoretycznej
dc.abstract.enBhatnagar–Gross–Krook (BGK) collision kernel is employed in the Boltzmann equation to formulate relativistic dissipative hydrodynamics. In this formulation, we find that there remains freedom of choosing a matching condition that affects the scalar transport in the system. We also propose a new collision kernel which, unlike BGK collision kernel, is valid in the limit of zero chemical potential and derive relativistic first-order dissipative hydrodynamics using it. We study the effects of this new formulation on the coefficient of bulk viscosity.
dc.affiliationWydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki Teoretycznej
dc.contributor.authorSingha, Pracheta
dc.contributor.authorBhadury, Samapan - 477984
dc.contributor.authorMukherjee, Arghya
dc.contributor.authorJaiswal, Amaresh
dc.date.accessioned2024-05-13T08:17:39Z
dc.date.available2024-05-13T08:17:39Z
dc.date.issued2024
dc.date.openaccess0
dc.description.accesstimew momencie opublikowania
dc.description.number4
dc.description.versionostateczna wersja wydawcy
dc.description.volume84
dc.identifier.articleid417
dc.identifier.doi10.1140/epjc/s10052-024-12784-9
dc.identifier.eissn1434-6052
dc.identifier.issn1434-6044
dc.identifier.projectDST/INSPIRE/04/2017/000038
dc.identifier.projectLM/17/BS. PS
dc.identifier.project760079/23.05.2023
dc.identifier.projectPNRR-III-C9-2022-I8
dc.identifier.urihttps://ruj.uj.edu.pl/handle/item/339320
dc.languageeng
dc.language.containereng
dc.rightsUdzielam licencji. Uznanie autorstwa 4.0 Międzynarodowa
dc.rights.licenceCC-BY
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/legalcode.pl
dc.share.typeotwarte czasopismo
dc.subtypeArticle
dc.titleRelativistic BGK hydrodynamics
dc.title.journalEuropean Physical Journal C
dc.typeJournalArticle
dspace.entity.typePublicationen
dc.abstract.en
Bhatnagar–Gross–Krook (BGK) collision kernel is employed in the Boltzmann equation to formulate relativistic dissipative hydrodynamics. In this formulation, we find that there remains freedom of choosing a matching condition that affects the scalar transport in the system. We also propose a new collision kernel which, unlike BGK collision kernel, is valid in the limit of zero chemical potential and derive relativistic first-order dissipative hydrodynamics using it. We study the effects of this new formulation on the coefficient of bulk viscosity.
dc.affiliation
Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki Teoretycznej
dc.contributor.author
Singha, Pracheta
dc.contributor.author
Bhadury, Samapan - 477984
dc.contributor.author
Mukherjee, Arghya
dc.contributor.author
Jaiswal, Amaresh
dc.date.accessioned
2024-05-13T08:17:39Z
dc.date.available
2024-05-13T08:17:39Z
dc.date.issued
2024
dc.date.openaccess
0
dc.description.accesstime
w momencie opublikowania
dc.description.number
4
dc.description.version
ostateczna wersja wydawcy
dc.description.volume
84
dc.identifier.articleid
417
dc.identifier.doi
10.1140/epjc/s10052-024-12784-9
dc.identifier.eissn
1434-6052
dc.identifier.issn
1434-6044
dc.identifier.project
DST/INSPIRE/04/2017/000038
dc.identifier.project
LM/17/BS. PS
dc.identifier.project
760079/23.05.2023
dc.identifier.project
PNRR-III-C9-2022-I8
dc.identifier.uri
https://ruj.uj.edu.pl/handle/item/339320
dc.language
eng
dc.language.container
eng
dc.rights
Udzielam licencji. Uznanie autorstwa 4.0 Międzynarodowa
dc.rights.licence
CC-BY
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/legalcode.pl
dc.share.type
otwarte czasopismo
dc.subtype
Article
dc.title
Relativistic BGK hydrodynamics
dc.title.journal
European Physical Journal C
dc.type
JournalArticle
dspace.entity.typeen
Publication
Affiliations
Wydział Fizyki, Astronomii i Informatyki Stosowanej
Bhadury, Samapan
No affiliation
Singha, Pracheta
Mukherjee, Arghya
Jaiswal, Amaresh

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