Superconductivity in disordered thin films: giant mesoscopic fluctuations

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We discuss intrinsic inhomogeneities of superconductive properties of uniformly disordered thin films with large dimensionless conductance g. It is shown that mesoscopic fluctuations, which usually contain a small factor 1/g, are crucially enhanced near the critical conductance g_c >> 1 where superconductivity is destroyed at T=0 due to Coulomb suppression of the Cooper attraction. This leads to strong spatial fluctuations of the local transition temperature and thus to percolative nature of the thermal superconductive transition.
4 pages, 3 figures, REVTeX 4

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Superconductivity, Disordered Systems and Neural Networks, Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/156492

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0504002
 http://arxiv.org/abs/cond-mat/0504002
 Phys. Rev. Lett. 95, 057002 (2005)
 doi:10.1103/PhysRevLett.95.057002

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arXiv