Hard loop approach to anisotropic systems | Zendy

Stanisław Mrówczyński | Zendy; Markus H. Thoma | Zendy

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Hard loop approach to anisotropic systems

Author(s) -

Stanisław Mrówczyński,

Markus H. Thoma

Publication year - 2000

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Language(s) - English

Resource type - Journals

eISSN - 1089-4918

pISSN - 0556-2821

DOI - 10.1103/physrevd.62.036011

Subject(s) - gluon , semiclassical physics , physics , quark , anisotropy , quark–gluon plasma , diagrammatic reasoning , particle physics , equivalence (formal languages) , quantum electrodynamics , quantum mechanics , mathematics , computer science , pure mathematics , quantum , programming language

Anisotropic systems of quarks and gluons, which at least for sufficientlyshort space-time intervals can be treated as homogeneous and static, areconsidered. The gluon polarization tensor of such a system is explicitlycomputed within the semiclassical kinetic and Hard Loop diagrammatic theories.The equivalence of the two approaches is demonstrated. The quark self energy iscomputed as well, and finally, the dispersion relations of quarks and gluons inthe anisotropic medium are discussed.Comment: 10 pages, revised to appear in Phys. Rev.

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