Bulk viscosity of a hot QCD medium in a strong magnetic field within the relaxation-time approximation

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dc.contributor.author Kurian, Manu
dc.contributor.author Chandra, Vinod
dc.date.accessioned 2018-06-27T10:05:35Z
dc.date.available 2018-06-27T10:05:35Z
dc.date.issued 2018-06
dc.identifier.citation Kurian, Manu and Chandra, Vinod, "Bulk viscosity of a hot QCD medium in a strong magnetic field within the relaxation-time approximation", Physical Review D, DOI: 10.1103/PhysRevD.97.116008, vol. 97, no.11, Jun. 2018. en_US
dc.identifier.uri http://dx.doi.org/10.1103/PhysRevD.97.116008
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/3773
dc.description.abstract The bulk viscosity of hot QCD medium has been obtained in the presence of strong magnetic field. The present investigation involves the estimation of the quark damping rate and subsequently the thermal relaxation time for quarks in the presence of magnetic field while realizing the hot QCD medium as an effective Grand-canonical ensemble of effective gluons and quarks antiquarks. The dominant process in the strong field limit is 1?2 (g?q�q), which contributes to the bulk viscosity in the most significant way. Further, setting up the linearized transport equation in the framework of an effective kinetic theory with hot QCD medium effects and employing the relaxation time approximation, the bulk viscosity has been estimated in lowest Landau level and beyond. The temperature dependence of the ratio of the bulk viscosity to entropy density indicates its rising behavior near the transition temperature.
dc.description.statementofresponsibility by Manu Kurian and Vinod Chandra
dc.format.extent vol. 97, no.11
dc.language.iso en en_US
dc.publisher American Physical Society en_US
dc.subject Quark-gluon plasma en_US
dc.subject Quark-gluon plasma en_US
dc.subject Strong interaction en_US
dc.subject Thermal & statistical models en_US
dc.title Bulk viscosity of a hot QCD medium in a strong magnetic field within the relaxation-time approximation en_US
dc.type Article en_US
dc.relation.journal Physical Review D


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