Composite operators for BCS Superconductor

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The new form of the composite operator generalizing the Cooper pairs for a BCS superconductor is introduced. The approach is similar to the derivation of the composite operator of the odd - frequency superconductors. The examples of the $d_{x^2-y^2}-,~d_{xy}-$ and $p-$ wave composite operators for a 2D $t-J$ model are given.
revtex, corrected version - minor changes

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Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/147468

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9401005
 http://arxiv.org/abs/cond-mat/9401005

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arXiv