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SUMMARY:Stationary holographic plasma quenches and numerical methods for n
 on-Killing horizons - Pau Figueras (DAMTP)
DTSTART:20130201T130000Z
DTEND:20130201T140000Z
UID:TALK42074@talks.cam.ac.uk
CONTACT:Dr Joan Camps
DESCRIPTION:In this talk I will explain a new method to numerically constr
 uct stationary black holes with non-Killing horizons. As an example\, we w
 ill use AdS/CFT to describe a time-independent CFT plasma flowing through 
 a static spacetime which asymptotes to Minkowski in the flow's past and fu
 ture\, with a varying spatial geometry in-between. When the boundary geome
 try varies slowly\, the holographic stress tensor is well described by vis
 cous hydrodynamics. For fast variations it is not\, and the solutions are 
 stationary analogs of dynamical quenches\, with the plasma being suddenly 
 driven out of equilibrium. We find evidence that these flows become unstab
 le for sufficiently strong quenches and speculate that the instability may
  be turbulent. The gravitational dual of these flows are the first example
 s of stationary black holes with non Killing horizons.
LOCATION:Pavilion B Potter Room (B1.19)
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