RIKEN/BNL Lunch Time Talk

"Evolution of singularities in unequal time correlator in thermalization of strongly coupled gauge theory"

Presented by Shu Lin, RBRC

Thursday, July 12, 2012, 12:30 pm — Building, 510/Room 2-160

Thermalization of strongly coupled gauge theory can be described by a gravitational collapse process via gauge/gravity duality. We studied the evolution of unequal time correlator in a gravitational collapse background, which allowed us to probe different stages of thermalization process. We found that the singularities of the correlator are consistent with geometric optics picture in the gravitational collapse background. We found the thermalization is characterized by the disappearance of singularities on real time axis and possible emergence of singularities in complex time plane in the correlator.

Hosted by: Tomomi Ishikawa

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