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Far-from-equilibrium Attractor in Non-conformal Plasmas by Jaiswal, Sunil; Pal, Subrata; Chattopadhyay, Chandrodoy; Du, Lipei; Heinz, Ulrich is a scholarly article available to read on EtoBox.

What is Far-from-equilibrium Attractor in Non-conformal Plasmas about?

We study the far-off-equilibrium dynamics of a Bjorken expanding non-conformal system within kinetic theory and hydrodynamics. We show that, in contrast to the conformal case, neither shear nor bulk viscous pressure relax quickly to a non-equilibrium attractor. In kinetic theory an early-time, far-from-equilibrium attractor exists for the scaled longitudinal pressure, driven by the rapid longitudinal expansion of the medium. Second-order dissipative hydrodynamics fails to accurately describe this attractor, but a modified anisotropic hydrodynamic formulation reproduces it and provides excellent agreement with kinetic theory.

Author

Jaiswal, Sunil; Pal, Subrata; Chattopadhyay, Chandrodoy; Du, Lipei; Heinz, Ulrich

Published

2022

Language

EN