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Stimulated superconductivity at strong coupling

By Ning Bao, Xi Dong, Eva Silverstein and Gonzalo Torroba

Abstract

Stimulating a system with time dependent sources can enhance instabilities, thus increasing the critical temperature at which the system transitions to interesting low-temperature phases such as superconductivity or superfluidity. After reviewing this phenomenon in non-equilibrium BCS theory (and its marginal fermi liquid generalization) we analyze the effect in holographic superconductors. We exhibit a simple regime in which the transition temperature increases parametrically as we increase the frequency of the time-dependent source.Comment: 19 pages, 2 figure. v3: Comments, references and one figure added. Version to appear in JHE

Topics: High Energy Physics - Theory, Condensed Matter - Superconductivity
Year: 2011
DOI identifier: 10.1007/JHEP10(2011)123
OAI identifier: oai:arXiv.org:1104.4098
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