Upper bounds on Tcfor classical ising models using correlation inequalities
- 21 February 1984
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 17 (3) , 685-688
- https://doi.org/10.1088/0305-4470/17/3/030
Abstract
Following closely the work of Sa Barreto and O'Carroll (1983) the author improves the upper bounds they derive for the critical temperature of classical Ising ferromagnetics. The improvement is achieved by a more critical use of Griffith's (1967) inequalities at one point along with a completely new use of Messager and Miracle-Sole (177) inequalities at another stage of the proof.Keywords
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