Singularities of ultra-relativistic expanding quark-gluon plasma within Quark-gluon transport theory

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dc.creatorBerdnikov, A. Ya.
dc.creatorBerdnikov, Ya. A.
dc.creatorIvanov, A. N.
dc.creatorIvanova, V. A.
dc.creatorKosmach, V. F.
dc.creatorSamsonov, V. M.
dc.creatorTroitskaya, N. I.
dc.date2001-12-10
dc.date.accessioned2026-07-07T05:38:52Z
dc.date.available2026-07-07T05:38:52Z
dc.descriptionWe follow Quark-gluon transport theory and analyse singularities of the ultra-relativistic and spherical expanding quark-gluon plasma. Within the linearized QCD oscillations and instabilities of the ultra-relativistic and spherical symmetric expanding quark-gluon plasma near global thermodynamical equilibrium are investigated in dependence on a chemical potential mu(T) of non-strange light quarks and antiquarks, a strange quark mass m_s, a temperature T and a hydrodynamical velocity $u$. We calculate the chromoelectric permeability tensor for the quark-gluon plasma at rest and ultra-relativistic moving. We show that the contribution of chemical potential of light quarks and antiquarks can be neglected to the chromoelectric permeability. We show that the account for the non-zero mass of strange quarks and antiquarks diminishes the value of the plasma frequency. We show that the plasma frequency of the ultra-relativistic and spherical symmetric expanding quark-gluon plasma is enhanced by a Lorentz factor compared with the plasma frequency of the quark-gluon plasma at rest. We find that the ultra-relativistic and spherical symmetric expanding quark-gluon plasma behaves like a collisionless thermalized plasma.
dc.description17 pages, Latex, no figures
dc.identifierhttps://arxiv.org/abs/nucl-th/0112024
dc.identifierhttp://arxiv.org/abs/nucl-th/0112024
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/81765
dc.subjectNuclear Theory
dc.titleSingularities of ultra-relativistic expanding quark-gluon plasma within Quark-gluon transport theory
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