Holographic charge transport in Lifshitz black hole backgrounds

Details Holographic charge transport in Lifshitz black hole backgrounds Holographic charge transport in Lifshitz black hole backgrounds

2011-06-12

arxiv.org/abs/1106.2291v2

JHEP 1106:122,2011

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, typos corrected

Scientific paper

10.1007/JHEP06(2011)122

We study charge transport properties in a domain-wall geometry, whose near horizon IR geometry is a Lifshitz black hole and whose UV geometry is AdS. The action for the gauge field contains the standard Maxwell term plus the Weyl tensor coupled to Maxwell field strengths. In four dimensions we calculate the conductivity via both the membrane paradigm and Kubo's formula. Precise agreements between both methods are obtained. Moreover, we perform an analysis of the four-dimensional electro-magnetic duality in our domain-wall background and find that the relation between the longitudinal and transverse components of the current-current correlation functions and those of the `dual' counterparts holds, irrespective of the near horizon IR geometry. Conductivity at extremality is also investigated. Generalizations to higher dimensions are performed.

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