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Diffusion and chaos from near AdS2 horizons.

Blake, Mike and Donos, Aristomenis (2017) 'Diffusion and chaos from near AdS2 horizons.', Journal of high energy physics., 2017 (2). 013.


We calculate the thermal diffusivity D = κ/cρ and butterfly velocity vB in holographic models that flow to AdS2 × Rd fixed points in the infra-red. We show that both these quantities are governed by the same irrelevant deformation of AdS2 and hence establish a simple relationship between them. When this deformation corresponds to a universal dilaton mode of dimension Δ = 2 then this relationship is always given by D = vB2/(2πT).

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Publisher statement:This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
Date accepted:29 January 2017
Date deposited:05 July 2017
Date of first online publication:03 February 2017
Date first made open access:No date available

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