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Holographic quantum criticality and strange metal transport

Abstract : A holographic model of a quantum critical theory at a finite but low temperature, and finite density is studied. The model exhibits non-relativistic z=2 Schrödinger symmetry and is realized by the Anti-de-Sitter-Schwarzschild black hole in light-cone coordinates. Our approach addresses the electrical conductivities in the presence or absence of an applied magnetic field and contains a control parameter that can be associated to quantum tuning via charge carrier doping or an external field in correlated electron systems. The Ohmic resistivity, the inverse Hall angle, the Hall coefficient and the magnetoresistance are shown to be in good agreement with experimental results of strange metals at very low temperature. The holographic model also predicts new scaling relations in the presence of a magnetic field.
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Contributor : Elias Kiritsis <>
Submitted on : Thursday, July 5, 2012 - 9:28:12 PM
Last modification on : Friday, November 13, 2020 - 4:24:02 PM

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Bom Soo Kim, E. Kiritsis, C. Panagopoulos. Holographic quantum criticality and strange metal transport. New Journal of Physics, Institute of Physics: Open Access Journals, 2012, 14, pp.043045. ⟨10.1088/1367-2630/14/4/043045⟩. ⟨in2p3-00714893⟩

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