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Variational approach to the scaling function of the 2D Ising model in a magnetic field

Mangazeev, Vladimir; Batchelor, Murray; Bazhanov, Vladimir; Dudalev, Mikhail


The universal scaling function of the square lattice Ising model in a magnetic field is obtained numerically via Baxter's variational corner transfer matrix approach. The high precision numerical data are in perfect agreement with the remarkable field theory results obtained by Fonseca and Zamolodchikov, as well as with many previously known exact and numerical results for the 2D Ising model. This includes excellent agreement with analytic results for the magnetic susceptibility obtained by...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Journal of Physics A: Mathematical and Theoretical
DOI: 10.1088/1751-8113/42/4/042005


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