On the Hellmann-Feynman theorem in statistical mechanics
Quantum Physics
2020-06-24 v3
Abstract
In this paper we develop the Hellmann-Feynman theorem in statistical mechanics without resorting to the eigenvalues and eigenvectors of the Hamiltonian operator. Present approach does not require the quantum-mechanical version of the theorem at and bypasses any discussion about degenerate states.
Cite
@article{arxiv.2004.04018,
title = {On the Hellmann-Feynman theorem in statistical mechanics},
author = {Paolo Amore and Francisco M. Fernández},
journal= {arXiv preprint arXiv:2004.04018},
year = {2020}
}