Ferromagnetism in the Hubbard model with an infinite-range hopping
Condensed Matter
2009-10-28 v1
Abstract
We prove, as recently conjectured, that the ground state of the Hubbard Hamiltonian with an infinite-range hopping, when the number of electrons ( being the number of sites), is ferromagnetic fully polarized.
Cite
@article{arxiv.cond-mat/9605156,
title = {Ferromagnetism in the Hubbard model with an infinite-range hopping},
author = {P. Pieri},
journal= {arXiv preprint arXiv:cond-mat/9605156},
year = {2009}
}
Comments
6 pages, LaTex, no figures