Hidden Fermi Surfaces in Compressible States of Gauge-Gravity Duality

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Hidden Fermi Surfaces in Compressible States of Gauge-Gravity Duality

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dc.contributor.author Huijse, Liza
dc.contributor.author Sachdev, Subir
dc.contributor.author Swingle, Brian
dc.date.accessioned 2012-02-15T18:17:43Z
dc.date.issued 2012
dc.identifier.citation Huijse, Liza, Subir Sachdev, and Brian Swingle. 2012. Hidden Fermi surfaces in compressible states of gauge-gravity duality. Physical Review B 85(3): 035121. en_US
dc.identifier.issn 1550-235X en_US
dc.identifier.uri http://nrs.harvard.edu/urn-3:HUL.InstRepos:8166514
dc.description.abstract General scaling arguments, and the behavior of the thermal entropy density, are shown to lead to an infrared metric holographically representing a compressible state with hidden Fermi surfaces. This metric is characterized by a general dynamic critical exponent, \(z\), and a specific hyperscaling violation exponent, \(\theta\). The same metric exhibits a logarithmic violation of the area law of entanglement entropy, as shown recently by Ogawa et al. [e-print arXiv:1111.1023 (unpublished)]. We study the dependence of the entanglement entropy on the shape of the entangling region(s), on the total charge density, on temperature, and on the presence of additional visible Fermi surfaces of gauge-neutral fermions; for the latter computations, we realize the needed metric in an Einstein-Maxwell-dilaton theory. All our results support the proposal that the holographic theory describes a metallic state with hidden Fermi surfaces of fermions carrying gauge charges of deconfined gauge fields. en_US
dc.description.sponsorship Physics en_US
dc.language.iso en_US en_US
dc.publisher American Physical Society en_US
dc.relation.isversionof doi:10.1103/PhysRevB.85.035121 en_US
dc.relation.hasversion http://arxiv.org/abs/1112.0573 en_US
dash.license OAP
dc.subject strongly correlated electrons en_US
dc.subject high energy physics en_US
dc.title Hidden Fermi Surfaces in Compressible States of Gauge-Gravity Duality en_US
dc.type Journal Article en_US
dc.description.version Author's Original en_US
dc.relation.journal Physical Review B en_US
dash.depositing.author Sachdev, Subir
dc.date.available 2012-02-15T18:17:43Z

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  • FAS Scholarly Articles [6464]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University

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