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Strange metal crossover in the doped holographic superconductor

  • Gastón Giordano
  • Nicolás Grandi
  • Adrián Lugo
  • Rodrigo Soto-Garrido
Open Access
Regular Article - Theoretical Physics
  • 6 Downloads

Abstract

In a recent paper, Kiritsis and Li presented a holographic model to study the competition between different orders at finite doping in holographic superconductors. In the present work, we introduce fermions into such model and study the fermionic spectral functions in the normal phase at zero and finite temperatures. Combining analytic and numerical methods, we found that there is a crossover from a strange metal with short lived excitations at small doping, into a Fermi liquid with well defined quasiparticles at large doping. The critical doping at which excitations becomes long lived increases with temperature. The emerging phase diagram is qualitatively similar to that of High Temperature Superconductors.

Keywords

Holography and condensed matter physics (AdS/CMT) AdS-CFT Correspondence 

Notes

Open Access

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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Copyright information

© The Author(s) 2018

Authors and Affiliations

  • Gastón Giordano
    • 1
    • 2
  • Nicolás Grandi
    • 1
    • 2
  • Adrián Lugo
    • 1
    • 2
  • Rodrigo Soto-Garrido
    • 3
  1. 1.Instituto de Física de La Plata — CONICETLa PlataArgentina
  2. 2.Departamento de Física — UNLPLa PlataArgentina
  3. 3.Facultad de Ingeniería y TecnologíaUniversidad San SebastiánSantiagoChile

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