Ising tricriticality and the dilute A${}_3$ model

Abstract

Some universal amplitude ratios appropriate to the ${\varphi }_{2,1}$ peturbation of the c=7/10 minimal field theory, the subleading magnetic perturbation of the tricritical Ising model, are explicitly demonstrated in the dilute A${}_3$ model, in regime 1.

8 pages, LaTeX using iop macros

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