Negative Josephson coupling in the Kondo strong coupling limit

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We Show that pair hopping through a Kondo singlet give rise to a negative Josephson coupling. Thus, our calculation supports the existance of staggered pair correlations in the strong coupling limit of a one dimensional Kondo lattice.
4 pages, 1 figure

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/28717

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9810321
 http://arxiv.org/abs/cond-mat/9810321

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arXiv