Parity effect in a small superconducting grain: A rigorous result
Superconductivity
2009-10-31 v1 Strongly Correlated Electrons
Abstract
The parity effect in an ultra-small superconducting grain is examined. By applying a generalized version of Lieb's spin-reflection positivity technique, we show rigorously that the parity parameter is nonvanishing in such a system. A positive lower bound for is derived.
Cite
@article{arxiv.cond-mat/9808207,
title = {Parity effect in a small superconducting grain: A rigorous result},
author = {Guang-Shan Tian and Lei-Han Tang},
journal= {arXiv preprint arXiv:cond-mat/9808207},
year = {2009}
}
Comments
6 pages