Universal hydrodynamics of non-conformal branes

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).


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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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1088/1126-6708/2009/04/062
Keywords: p-branes, gauge-gravity correspondence, d-branes, AdS-CFT correspondence
Organisations: Mathematical Sciences
ePrint ID: 341272
Date :
Date Event
Date Deposited: 25 Jul 2012 11:08
Last Modified: 17 Apr 2017 16:48
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/341272

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