Issue
J. Phys. Colloques
Volume 49, Number C8, Décembre 1988
Proceedings of the International Conference on Magnetism
Page(s) C8-49 - C8-50
DOI https://doi.org/10.1051/jphyscol:1988811
Proceedings of the International Conference on Magnetism

J. Phys. Colloques 49 (1988) C8-49-C8-50

DOI: 10.1051/jphyscol:1988811

FERROMAGNETIC PHASE TRANSITIONS IN THE HUBBARD MODEL

M. D. Coutinho-Filho

Departamento de Fisica, Universidade Federal de Pernambuco 50739, Recife, Brazil


Abstract
We show that the coupling of charge and spin density fluctuations in the three-dimensional Hubbard model with total charge fixed severely restricts the occurrence of a continuous ferromagnetic transition.