Disorder-Driven Magnetic Field Dependence of the Internal Field Distribution in the Bragg Glass Phase of Type-II Superconductors

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We use the replica variational method to study the effects of weak point disorder on the variance of the internal field distribution measured in NMR and muon-spin rotation experiments in type-II superconductors. We show that for a simple model there is significant magnetic field dependence which is extrinsic and disorder-driven, and does not have a microscopic (non $s-$wave pairing) origin. Results are presented where we examine the dependence of the magnetic field variance upon the strength of the applied external field.
2B/W eps figure included. Contact: gingras@gandalf.uwaterloo.ca

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Disordered Systems and Neural Networks, Superconductivity

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http://salesiana.dossiersoluciones.com/handle/123456789/22151

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0309091
 http://arxiv.org/abs/cond-mat/0309091

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arXiv