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Second-Order Hydrodynamics in Next-to-Leading-Order QCD.
- Source :
-
Physical Review Letters . 8/3/2018, Vol. 121 Issue 5, p1-1. 1p. - Publication Year :
- 2018
-
Abstract
- We compute the hydrodynamic relaxation times τπ and τj for hot QCD at next-to-leading order in the coupling with kinetic theory. We show that certain dimensionless ratios of second-order to first-order transport coefficients obey bounds which apply whenever a kinetic theory description is possible; the computed values lie somewhat above these bounds. Strongly coupled theories with holographic duals strongly violate these bounds, highlighting their distance from a quasiparticle description. [ABSTRACT FROM AUTHOR]
- Subjects :
- *HYDRODYNAMICS
*QUANTUM chromodynamics
*QUASIPARTICLES
Subjects
Details
- Language :
- English
- ISSN :
- 00319007
- Volume :
- 121
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- Physical Review Letters
- Publication Type :
- Academic Journal
- Accession number :
- 131137293
- Full Text :
- https://doi.org/10.1103/PhysRevLett.121.052302