Correlation equalities and some upper bounds for the critical temperature of Ising spin systems
- 1 April 1983
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 16 (5) , 1035-1039
- https://doi.org/10.1088/0305-4470/16/5/021
Abstract
Starting from correlation identities for Ising systems and using Griffith's and Newman's inequalities, upper bounds for the critical temperature are obtained which improved mean-field results.Keywords
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