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Incoherent conductivity of holographic charge density waves
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. Stockholm Univ, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden.ORCID iD: 0000-0001-8440-4720
Univ Helsinki, Dept Phys, POB 64, FIN-00014 Helsinki, Finland.;Univ Helsinki, Helsinki Inst Phys, POB 64, FIN-00014 Helsinki, Finland..
Univ Helsinki, Dept Phys, POB 64, FIN-00014 Helsinki, Finland.;Univ Helsinki, Helsinki Inst Phys, POB 64, FIN-00014 Helsinki, Finland..
2018 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 7, article id 004Article in journal (Refereed) Published
Abstract [en]

The DC resistivity of charge density waves weakly-pinned by disorder is controlled by diffusive, incoherent processes rather than slow momentum relaxation. The corresponding incoherent conductivity can be computed in the limit of zero disorder. We compute this transport coefficient in holographic spatially modulated breaking translations spontaneously. As a by-product of our analysis, we clarify how the boundary heat current is obtained from a conserved bulk current, de fined as a suitable generalization of the Iyer-Wald Noether current of the appropriate Killing vector.

Place, publisher, year, edition, pages
SPRINGER , 2018. no 7, article id 004
Keywords [en]
Holography and condensed matter physics (AdS/CMT), AdS-CFT Correspondence, Gauge-gravity correspondence
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-232395DOI: 10.1007/JHEP07(2018)004ISI: 000437355000004Scopus ID: 2-s2.0-85049588345OAI: oai:DiVA.org:kth-232395DiVA, id: diva2:1235686
Funder
EU, FP7, Seventh Framework Programme, 624054
Note

QC 20180726

Available from: 2018-07-26 Created: 2018-07-26 Last updated: 2018-07-26Bibliographically approved

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