Ising Field Theory: Quadratic Difference Equations for the-Point Green's Functions on the Lattice
- 23 March 1981
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 46 (12) , 757-760
- https://doi.org/10.1103/physrevlett.46.757
Abstract
For the two-dimensional Ising model at arbitrary temperature, a system of quadratic difference equations is presented, involving the correlations of order variables and that of order and two disorder variables. With suitable boundary conditions these equations specify the correlations.
Keywords
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