Collective excitations of a hot anisotropic QCD medium with the Bhatnagar-Gross-Krook collisional kernel within an effective description

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dc.contributor.author Kumar, Avdhesh
dc.contributor.author Jamal, M. Yousuf
dc.contributor.author Chandra, Vinod
dc.contributor.author Bhatt, Jitesh R.
dc.date.accessioned 2018-03-15T06:51:51Z
dc.date.available 2018-03-15T06:51:51Z
dc.date.issued 2018-02
dc.identifier.citation Kumar, Avdhesh; Jamal, M. Yousuf; Chandra, Vinod and Bhatt, Jitesh R., "Collective excitations of a hot anisotropic QCD medium with the Bhatnagar-Gross-Krook collisional kernel within an effective description", Physical Review D, DOI: 10.1103/PhysRevD.97.034007, vol. 97, no.3, Feb. 2018. en_US
dc.identifier.issn 2470-0010
dc.identifier.issn 2470-0029
dc.identifier.uri 10.1103/PhysRevD.97.034007
dc.identifier.uri http://repository.iitgn.ac.in/handle/123456789/3520
dc.description.abstract Collective modes of an anisotropic hot QCD medium have been studied within the semiclassical transport theory employing the Bhatnagar-Gross-Krook (BGK) collisional kernel. The modeling of the isotropic medium is primarily based on a recent quasiparticle description of a hot QCD equation of state where the medium effects have been encoded in effective gluon and quark/antiquark momentum distributions that posses nontrivial energy dispersions. The anisotropic distribution functions are obtained in a straightforward way by stretching or squeezing the isotropic ones along one of the directions. The gluon self-energy is computed using these distribution functions in a linearized transport equation with the BGK collisional kernel. Further, the tensor decomposition of gluon self-energy leads to the structure functions which eventually controls the dispersion relations and the collective mode structure of the medium. It has been seen that both the medium effects and collisions induce appreciable modifications to the collective modes or the plasma excitations in the hot QCD medium.
dc.description.statementofresponsibility by Avdhesh Kumar, M. Yousuf Jamal, Vinod Chandra and Jitesh R. Bhatt
dc.format.extent vol. 97, no.3
dc.language.iso en en_US
dc.publisher American Physical Society en_US
dc.title Collective excitations of a hot anisotropic QCD medium with the Bhatnagar-Gross-Krook collisional kernel within an effective description en_US
dc.type Article en_US
dc.relation.journal Physical Review D


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