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Prescaling and Far-from-Equilibrium Hydrodynamics in the Quark-Gluon Plasma.

08:00 EDT 29th March 2019 | BioPortfolio

Summary of "Prescaling and Far-from-Equilibrium Hydrodynamics in the Quark-Gluon Plasma."

Prescaling is a far-from-equilibrium phenomenon which describes the rapid establishment of a universal scaling form of distributions much before the universal values of their scaling exponents are realized. We consider the example of the spatiotemporal evolution of the quark-gluon plasma explored in heavy-ion collisions at sufficiently high energies. Solving QCD kinetic theory with elastic and inelastic processes, we demonstrate that the gluon and quark distributions very quickly adapt a self-similar scaling form, which is independent of initial condition details and system parameters. The dynamics in the prescaling regime is then fully encoded in a few time-dependent scaling exponents, whose slow evolution gives rise to far-from-equilibrium hydrodynamic behavior.

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This article was published in the following journal.

Name: Physical review letters
ISSN: 1079-7114
Pages: 122301

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