Transport coefficients in high temperature gauge theories, 2. Beyond leading log | Zendy

Peter Arnold | Zendy; Guy D. Moore | Zendy; Laurence G. Yaffe | Zendy

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Transport coefficients in high temperature gauge theories, 2. Beyond leading log

Author(s) -

Peter Arnold,

Guy D. Moore,

Laurence G. Yaffe

Publication year - 2003

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2003/05/051

Subject(s) - logarithm , physics , coulomb , shear viscosity , quantum chromodynamics , order (exchange) , gauge (firearms) , diffusion , debye , gauge theory , viscosity , condensed matter physics , quantum electrodynamics , thermodynamics , electrical resistivity and conductivity , mathematical physics , quantum mechanics , mathematics , materials science , mathematical analysis , finance , metallurgy , economics , electron

Results are presented of a full leading-order evaluation of the shearviscosity, flavor diffusion constants, and electrical conductivity in hightemperature QCD and QED. The presence of Coulomb logarithms associated withgauge interactions imply that the leading-order results for transportcoefficients may themselves be expanded in an infinite series in powers of1/log(1/g); the utility of this expansion is also examined. Anext-to-leading-log approximation is found to approximate the fullleading-order result quite well as long as the Debye mass is less than thetemperature.Comment: 38 pages, 6 figure

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