Thermal stability of the Nagaoka-Thouless theorems
Mathematical Physics
2020-12-02 v4 math.MP
Abstract
We prove that the Aizenman-Lieb theorem on ferromagnetism in the Hubbard model holds true even if the electron-phonon interactions and the electron-photon interactions are taken into account. Our proof is based on path integral representations of the partition functions.
Keywords
Cite
@article{arxiv.1910.06551,
title = {Thermal stability of the Nagaoka-Thouless theorems},
author = {Tadahiro Miyao},
journal= {arXiv preprint arXiv:1910.06551},
year = {2020}
}
Comments
Improved version, 44 pages