24-31 July 2009
Wayne State University
US/Eastern timezone
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Bjorken hydrodynamics from an AdS Schwarzschild black hole

Presented by Mr. James ALSUP on 31 Jul 2009 from 15:00 to 15:20
Track: Field and String Theory

Content

We discuss the derivation of dissipative Bjorken hydrodynamics from a Schwarzschild black hole in asymptotically AdS spacetime of arbitrary dimension in the limit of large longitudinal proper time $\tau$. Using an appropriate slicing near the boundary, we calculate the Schwarzschild metric to next-to-next-to-leading order in the large $\tau$ expansion as well as the dual stress-energy tensor on the boundary via holographic renormalization. At next-to-next-to-leading order, it is necessary to perturb the Schwarzschild metric in order to maintain boost invariance. The perturbation has a power law time dependence and leads to the same value of the ratio of viscosity to entropy density, $1/(4\pi)$, as in the case of sinusoidal perturbations. Our results are in agreement with known time-dependent asymptotic solutions of the Einstein equations in five dimensions.

Place

Location: Wayne State University
Address: Detroit, Michigan 48201, USA

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