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Regular version of the site

Working paper

Quasi-one-dimensional system as a high-temperature superconductor

arxiv.org. cond-mat. Cornell University, 2020. No. 2002.01989.
T.T. Saraiva, Cavalcanti P., Vagov A., A.S. Vasenko, Perali A., Dell'Anna L., Shanenko A.
It is well-known that quasi-one-dimensional superconductors suffer from the pairing uctuations that signi cantly reduce the superconducting temperature or even completely suppress any coherent behavior. Here we demonstrate that a coupling to a robust pair condensate changes the situation dramatically. In this case the quasi-one-dimensional system can be a high temperature supercon- ductor governed by the proximity to the Lifshitz transition at which the Fermi level approaches the lower edge of the single-particle spectrum.