Heavy ion collisions and black hole dynamics

Details Heavy ion collisions and black hole dynamics Heavy ion collisions and black hole dynamics

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007gregr..39.1533g&link_type=abstract

General Relativity and Gravitation, Volume 39, Issue 10, pp.1533-1538

Mathematics

12

Scientific paper

Relativistic heavy ion collisions create a strongly coupled quark-gluon plasma. Some of the plasma’s properties can be approximately understood in terms of a dual black hole. These properties include shear viscosity, thermalization time, and drag force on heavy quarks. They are hard to calculate from first principles in QCD. Extracting predictions about quark-gluon plasmas from dual black holes mostly involves solving Einstein’s equations and classical string equations of motion. AdS/CFT provides a translation from gravitational calculations to gauge theory predictions. The gauge theory to which the predictions apply is mathcal {N} = 4 super-Yang-Mills theory. QCD is different in many respects from super-Yang-Mills, but it seems that its high temperature properties are similar enough to make some meaningful comparisons.

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