The elementary excitations of the BCS model in the canonical ensemble
Superconductivity
2011-07-19 v1 Strongly Correlated Electrons
Abstract
We summarize previous works on the exact ground state and the elementary excitations of the exactly solvable BCS model in the canonical ensemble. The BCS model is solved by Richardson equations, and, in the large coupling limit, by Gaudin equations. The relationship between this two kinds of solutions are used to classiffy the excitations.
Cite
@article{arxiv.cond-mat/0301417,
title = {The elementary excitations of the BCS model in the canonical ensemble},
author = {G. Sierra and J. M. Roman and J. Dukelsky},
journal= {arXiv preprint arXiv:cond-mat/0301417},
year = {2011}
}
Comments
Revtex4 file, 11 pages, 11 figures. Proceedings of the 6th International workshop on Conformal Field Theory and Integrable Models, Chernologka, Russia, Sept. 2002