Infinite randomness fixed point of the superconductor-metal quantum phase transition

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We examine the influence of quenched disorder on the superconductor-metal transition, as described by a theory of overdamped Cooper pairs which repel each other. The self-consistent pairing eigenmodes of a quasi-one dimensional wire are determined numerically. Our results support the recent proposal by Hoyos et al. (arXiv:0705.1865) that the transition is characterized by the same strong disorder fixed point describing the onset of ferromagnetism in the random quantum Ising chain in a transverse field.
4+ pages, 3 figures

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Disordered Systems and Neural Networks

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http://salesiana.dossiersoluciones.com/handle/123456789/164996

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0802.3900
 http://arxiv.org/abs/0802.3900
 Physical Review Letters 101, 035701 (2008)
 doi:10.1103/PhysRevLett.101.035701

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arXiv