Transport coefficients of gluonic fluid

Journal Article · Wed Jun 01 00:00:00 EDT 2011 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.83.114011· OSTI ID:21502688

Das, Santosh K; Alam, Jan-e ^[1]

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1. Variable Energy Cyclotron Centre, 1/AF, Bidhan Nagar, Kolkata-700064 (India)

The shear ({eta}) and bulk ({zeta}) viscous coefficients have been evaluated for a gluonic fluid. The elastic, gg{yields}gg and the inelastic, number nonconserving, gg{yields}ggg processes have been considered as the dominant perturbative processes in evaluating the viscous coefficients to entropy density (s) ratios. Recently the processes: gg{yields}ggg has been revisited and a correction to the widely used Gunion-Bertsch (GB) formula has been obtained. The {eta} and {zeta} have been evaluated for gluonic fluid with the formula recently derived. At large {alpha}{sub s} the value of {eta}/s approaches its lower bound, {approx}1/4{pi}.

• OSTI ID: 21502688
• Journal Information: Physical Review. D, Particles Fields, Vol. 83, Issue 11; Other Information: DOI: 10.1103/PhysRevD.83.114011; (c) 2011 American Institute of Physics; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CORRECTIONS
DENSITY
ENTROPY
FLUIDS
GLUONS
TRANSPORT THEORY
BOSONS
PHYSICAL PROPERTIES
THERMODYNAMIC PROPERTIES