Universal hydrodynamics of non-conformal branes
Kanitscheider, Ingmar and Skenderis, Kostas (2009) Universal hydrodynamics of non-conformal branes. Journal of High Energy Physics, 2009, (04), JHEP04(2009)062-[24pp]. (doi:10.1088/1126-6708/2009/04/062).
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Description/Abstract
We examine the hydrodynamic limit of non-conformal branes using the recently developed precise holographic dictionary. We first streamline the discussion of holography for backgrounds that asymptote locally to non-conformal brane solutions by showing that all such solutions can be obtained from higher dimensional asymptotically locally AdS solutions by suitable dimensional reduction and continuation in the dimension. As a consequence, many holographic results for such backgrounds follow from the corresponding results of the Asymptotically AdS case. In particular, the hydrodynamics of non-conformal branes is fully determined in terms of conformal hydrodynamics. Using previous results on the latter we predict the form of the non-conformal hydrodynamic stress tensor to second order in derivatives. Furthermore we show that the ratio between bulk and shear viscosity is fixed by the generalized conformal structure to be ζ/η = 2(1/(d−1)−cs2), where cs is the speed of sound in the fluid.
| Item Type: | Article |
|---|---|
| ISSNs: | 1126-6708 (print) 1029-8479 (electronic) |
| Keywords: | p-branes, gauge-gravity correspondence, d-branes, AdS-CFT correspondence |
| Subjects: | Q Science > QA Mathematics Q Science > QC Physics |
| Divisions: | Faculty of Social and Human Sciences > Mathematics |
| Item ID: | 341272 |
| Date Deposited: | 25 Jul 2012 11:08 |
| Last Modified: | 26 Apr 2013 06:24 |
| Contributors: | Kanitscheider, Ingmar (Author) Skenderis, Kostas (Author) |
| Date: | 2009 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/341272 |
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