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Unbalanced Stückelberg holographic superconductors with backreaction

  • Ahmad Jamali Hafshejani
  • Seyed Ali Hosseini MansooriEmail author
Open Access
Regular Article - Theoretical Physics
  • 55 Downloads

Abstract

We numerically investigate some properties of unbalanced Stückelberg holographic superconductors, by considering backreaction effects of fields on the background geometry. More precisely, we study the impacts of the chemical potential mismatch and Stückelberg mechanism on the condensation and conductivity types (electrical, spin, mixed, thermo-electric, thermo-spin and thermal conductivity). Our results show that the Stückelberg’s model parameters Cα and α not only have significant impacts on the phase transition, but also affect the conductivity pseudo-gap and the strength of conductivity fluctuations. Moreover, the effects of these parameters on a system will be gradually reduced as the imbalance grows. We also find that the influence of α on the amplitude of conductivity fluctuations depends on the magnitude of the both Cα and δμ/μ in the electric and thermal conductivity cases. This results in that increasing α can damp the conductivity fluctuations of an unbalanced system in contrast to balanced ones.

Keywords

Holography and condensed matter physics (AdS/CMT) AdS-CFT Correspondence Black Holes Gauge-gravity 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) 2019

Authors and Affiliations

  • Ahmad Jamali Hafshejani
    • 1
  • Seyed Ali Hosseini Mansoori
    • 2
    Email author
  1. 1.Physics DepartmentYazd UniversityYazdIran
  2. 2.Faculty of PhysicsShahrood University of TechnologyShahroodIran

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