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Universal hydrodynamics of non-conformal branes

Record type: Article

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 ?/? = 2(1/(d?1)?cs2), where cs is the speed of sound in the fluid.

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Citation

Kanitscheider, Ingmar and Skenderis, Kostas (2009) Universal hydrodynamics of non-conformal branes Journal of High Energy Physics, 2009, (4), JHEP04(2009)062-[24pp]. (doi:10.1088/1126-6708/2009/04/062).

More information

Published date: 2009
Keywords: p-branes, gauge-gravity correspondence, d-branes, AdS-CFT correspondence
Organisations: Mathematical Sciences

Identifiers

Local EPrints ID: 341272
URI: http://eprints.soton.ac.uk/id/eprint/341272
PURE UUID: 4e22be22-6690-4015-8d52-b92ddcb8eea3

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Date deposited: 25 Jul 2012 11:08
Last modified: 18 Jul 2017 05:37

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Contributors

Author: Ingmar Kanitscheider

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