AC transport at holographic quantum hall transitions

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http://hdl.handle.net/10138/24382

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Alanen , J , Keski-Vakkuri , E , Kraus , P & Suur-Uski , V 2009 , ' AC transport at holographic quantum hall transitions ' , Journal of High Energy Physics , vol. 2009 , no. 11 , pp. 014 . https://doi.org/10.1088/1126-6708/2009/11/014

Title: AC transport at holographic quantum hall transitions
Author: Alanen, Janne; Keski-Vakkuri, Esko; Kraus, Per; Suur-Uski, Ville
Contributor: University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
Date: 2009
Language: eng
Number of pages: 26
Belongs to series: Journal of High Energy Physics
ISSN: 1029-8479
URI: http://hdl.handle.net/10138/24382
Abstract: We compute AC electrical transport at quantum Hall critical points, as modeled by intersecting branes and gauge/gravity duality. We compare our results with a previous field theory computation by Sachdev, and find unexpectedly good agreement. We also give general results for DC Hall and longitudinal conductivities valid for a wide class of quantum Hall transitions, as well as (semi)analytical results for AC quantities in special limits. Our results exhibit a surprising degree of universality; for example, we find that the high frequency behavior, including subleading behavior, is identical for our entire class of theories.
Subject: hep-th
cond-mat.mes-hall
114 Physical sciences
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