A variational renormalization group approach to two coupled Ising systems
Journal of Physics A Mathematical and GeneralPublished 1 November 1976
S.E. Ashley, M B Green
Citations8
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Abstract
Using the variational block-spin approximation of Kadanoff (1975) a renormalization group recursion relation suitable for two-layered Ising systems is constructed. The critical behaviour of the Ashkin-Teller model is described in some detail.
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MathematicsPhysics and Astronomy
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