Minigap in a SN junction with paramagnetic impurities

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We study the effect of spin-flip scattering on the density of states in a long diffusive S-N junction with transparent interface. We calculate the critical value of the spin-flip scattering rate at which the minigap closes and give the dependence of the minigap on the spin-flip rate. For the system we consider, the minigap and the critical spin-flip rate have the scale of the Thouless energy, and not of the superconducting gap.
4 pages, 2 figures

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Superconductivity

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http://salesiana.dossiersoluciones.com/handle/123456789/98519

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0506499
 http://arxiv.org/abs/cond-mat/0506499
 Phys. Rev. B 72, 092501 (2005)
 doi:10.1103/PhysRevB.72.092501

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arXiv