Holographic superconductors from the massive gravity

Hua Bi Zeng; Jian-Pin Wu

doi:10.1103/PhysRevD.90.046001

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Holographic superconductors from the massive gravity

Hua Bi Zeng, Jian-Pin Wu

DOI 10.1103/PhysRevD.90.046001 · Physical Review D

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Abstract

A holographic superconductor is constructed in the background of a massive gravity theory. In the normal state without condensation, the conductivity exhibits a Drude peak that approaches a delta function in the massless gravity limit as studied by David Vegh. In the superconducting state, besides the infinite dc conductivity, the ac conductivity has Drude behavior at low frequency followed by a power-law fall. These results are in agreement with that found earlier by Horowitz and Santos, who studied a holographic superconductor with an implicit periodic potential beyond the probe limit. The results also agree with measurements on some cuprates.