On the Hellmann-Feynman theorem for statistical averages
Mathematical Physics
2012-11-27 v1 math.MP
Abstract
We discuss the Hellmann-Feynman theorem for degenerate states and its application to the calculation of the derivatives of statistical averages with respect to external parameters.
Cite
@article{arxiv.1211.5958,
title = {On the Hellmann-Feynman theorem for statistical averages},
author = {Francisco M. Fernández},
journal= {arXiv preprint arXiv:1211.5958},
year = {2012}
}