Properties of SAS Josephson junctions in SO(5) theory

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We derive the qualitative behavior of superconductor-antiferromagnet- superconductor (SAS) Josephson junctions described by Zhang's SO(5) theory. The main differences between these junctions and conventional SIS junctions arise from the non-sinusoidal current-phase relation derived by Demler et al. for thin SAS junctions. Using a simple approximation to this non-sinusoidal function, the current voltage relation, Shapiro steps, thermal fluctuation effects and the diffraction pattern in a magnetic field are obtained.
4 pages, 5 figures, RevTex

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Superconductivity

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http://salesiana.dossiersoluciones.com/handle/123456789/28763

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9811133
 http://arxiv.org/abs/cond-mat/9811133

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arXiv