We extend a recent construction for an integrable model describing Josephson tunneling between identical BCS systems to the case where the BCS systems have different single particle energy levels. The exact solution of the generalized model is obtained through the Bethe ansatz.
@article{arxiv.cond-mat/0206331,
title = {Integrable coupling in a model for Josephson tunneling between non-identical BCS systems},
author = {J. Links and K. E. Hibberd},
journal= {arXiv preprint arXiv:cond-mat/0206331},
year = {2009}
}
Comments
8 pages, latex, to appear in edition of Int. J. Mod. Phys. B commemorating the 70th birthday of F.Y. Wu