Griffiths' Theorems for the Ferromagnetic Heisenberg Model

C. A. Hurst; S. Sherman

doi:10.1103/PhysRevLett.22.1357

Griffiths' Theorems for the Ferromagnetic Heisenberg Model

C. A. Hurst and S. Sherman

Phys. Rev. Lett. 22, 1357 – Published 23 June 1969

Abstract

It is shown that for the quantum mechanical Heisenberg ferromagnet, the correlation is not necessarily a monotone increasing function of interactions.

Received 25 April 1969

DOI:https://doi.org/10.1103/PhysRevLett.22.1357

Authors & Affiliations

C. A. Hurst and S. Sherman^*,†

Mathematical Physics Department, University of Adelaide, Adelaide, South Australia

^*Australian Research Grants Committee visitor from Indiana University, Bloomington, Ind.
^†Work supported by Australian Research Grants Committee Contract No. 66/15220 and National Science Foundation Contract No. NSF GP 7946.