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Dissipation-driven phase transitions in superconducting wires

Müller, Markus
Published in Physical Review. B, Condensed Matter. 2009, vol. 80, no. 21
Abstract We report on the reinforcement of superconductivity in a system consisting of a narrow superconducting wire weakly coupled to a diffusive metallic film. We analyze the effective phase-only action of the system by a perturbative renormalization group and a self-consistent variational approach to obtain the critical points and phases at T=0. We predict a quantum phase transition toward a superconducting phase with long-range order as a function of the wire stiffness and coupling to the metal. We discuss implications for the dc resistivity of the wire.
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LOBOS, Alejandro et al. Dissipation-driven phase transitions in superconducting wires. In: Physical Review. B, Condensed Matter, 2009, vol. 80, n° 21. https://archive-ouverte.unige.ch/unige:36008

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Deposited on : 2014-04-28

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