Model sensitivity in holographic superconductors and their deconstructed cousins

Joshua Erlich; Zhen Wang

doi:10.1103/PhysRevD.88.035003

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Model sensitivity in holographic superconductors and their deconstructed cousins

Joshua Erlich, Zhen Wang

DOI 10.1103/PhysRevD.88.035003 · Physical Review D

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Abstract

Holographic models of superconductors successfully reproduce certain experimental features of high-temperature superconductors, such as a large gap-to-Tc ratio compared to that of conventional superconductors. By deconstructing the extra dimension of these holographic models, similar phenomenology is described by a class of models defined in the natural dimension of the superconducting system. We analyze the sensitivity of certain observables in holographic and deconstructed holographic superconductors to details of the extra-dimensional spacetime. Our results support the notion that certain quantitative successes of simple models of this type are accidental. However, we also find a certain universal relationship between superconducting observables.