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Holographic metals and insulators with helical symmetry
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. Stockholm University, Stockholm, Sweden .
2014 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 9, p. 038-Article in journal (Refereed) Published
Abstract [en]

Homogeneous, zero temperature scaling solutions with Bianchi VII spatial geometry are constructed in Einstein-Maxwell-Dilaton theory. They correspond to quantum critical saddle points with helical symmetry at finite density. Assuming AdS(5) UV asymptotics, the small frequency/(temperature) dependence of the AC/(DC) electric conductivity along the director of the helix are computed. A large class of insulating and conducting anisotropic phases is found, as well as isotropic, metallic phases. Conduction can be dominated by dissipation due to weak breaking of translation symmetry or by a quantum critical current.

Place, publisher, year, edition, pages
2014. no 9, p. 038-
Keyword [en]
Holography and condensed matter physics (AdS/CMT), AdS-CFT Correspondence
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Identifiers
URN: urn:nbn:se:kth:diva-160000DOI: 10.1007/JHEP09(2014)038ISI: 000347898600001Scopus ID: 2-s2.0-84917673472OAI: oai:DiVA.org:kth-160000DiVA, id: diva2:789307
Note

QC 20150218

Available from: 2015-02-18 Created: 2015-02-12 Last updated: 2017-12-04Bibliographically approved

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Goutéraux, Blaise
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