New correlation inequalities for the Ising model andtheories
- 1 March 1977
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 15 (5) , 2798-2803
- https://doi.org/10.1103/physrevb.15.2798
Abstract
The reflection principle combined with an extension of Ginibre's discussion of the Griffiths inequalities leads to new correlation inequalities for the Ising model and theories. In particular the Ising correlation in dimensions in an arbitrary external magnetic field is shown to be nonincreasing in each coordinate variable .
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