A Simple Holographic Insulator

Eric Mefford; Gary T. Horowitz

A Simple Holographic Insulator

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arxiv 1406.4188 v2 pith:5K6SICRR submitted 2014-06-16 hep-th

Eric Mefford , Gary T. Horowitz This is my paper

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keywords holographicinsulatortemperatureconductivitymodelsimplezerochanging

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We present a simple holographic model of an insulator. Unlike most previous holographic insulators, the zero temperature infrared geometry is completely nonsingular. Both the low temperature DC conductivity and the optical conductivity at zero temperature satisfy power laws with the same exponent, given by the scaling dimension of an operator in the IR. Changing a parameter in the model converts it from an insulator to a conductor with a standard Drude peak.

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