On the S-matrix of the Sub-leading Magnetic Deformation of the Tricritical Ising Model in Two Dimensions

Details On the S-matrix of the Sub-leading Magnetic Deformation of the Tricritical Ising Model in Two Dimensions On the S-matrix of the Sub-leading Magnetic Deformation of the Tricritical Ising Model in Two Dimensions

1991-08-27

arxiv.org/abs/hep-th/9108024v1

Int. J. Mod. Phys. A7 (1992) 5281-5306

Physics

High Energy Physics

High Energy Physics - Theory

21 pages

Scientific paper

We compute the $S$-matrix of the Tricritical Ising Model perturbed by the subleading magnetic operator using Smirnov's RSOS reduction of the Izergin-Korepin model. The massive model contains kink excitations which interpolate between two degenerate asymmetric vacua. As a consequence of the different structure of the two vacua, the crossing symmetry is implemented in a non-trivial way. We use finite-size techniques to compare our results with the numerical data obtained by the Truncated Conformal Space Approach and find good agreement.

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