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Conductivities for Hyperscaling Violating Geometries

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 نشر من قبل Andreas Karch
 تاريخ النشر 2014
  مجال البحث فيزياء
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 تأليف Andreas Karch




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We show that many results about holographic conductivities in geometries with hyperscaling violating scaling can be reproduced from simple scaling laws in the dual field theory. We show that the electro-magnetic response of probe branes in these systems require at least one additional scaling parameter Phi beyond the usual dynamical exponent z and hyperscaling violating exponent theta, as also pointed out in earlier work. We show that the scaling exponents can be chosen in such a way that the temperature dependence of DC conductivity and Hall angle in strange metals can be reproduced.

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