Friday, March 20, 2009, 2:00 pm — Small Seminar Room, Bldg. 510
I will start with a short review on various probes to Quark Gluon Plasma studied
by AdS/CFT. The study of the probe typically amounts to solving linearized
Einstein equation. The more challenging task is to understand the equilibration
of matter and formation of QGP. I will talk about a specific gravitational
collapse model, which is dual to the thermalization of gauge field on the
boundary. We found the spectral density of stress energy tensor differs from its
thermal counterpart by some general oscillation. I will also talk about the
recent works on entropy estimation in heavy ion collision from gravitational
shock wave collision. We found the existence of critical impact parameter,
beyond which no horizon can form. In the dual field theory, it means matter
produced in the collision cannot thermalize.
Hosted by: Gregory Soyez
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