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Abstract:
We propose the factorizable S-matrices of the massive excitations of the non-unitary minimal model M2,11 perturbed by the operator φ1,4. The massive excitations and the whole set of two particle S-matrices of the theory is simply related to the E8 unitary minimal scattering theory. The counting argument and the thermodynamic Bethe ansatz (TBA) are applied to this scattering theory in order to support this interpretation. Generalizing this result, we describe a new family of non-unitary and diagonal ADE- related scattering theories. A further generalization suggests the magnonic TBA for a large class of non-unitary G⊗G/G coset models (G=Aodd, Dn, E6,7,8) perturbed by φid,id, adj, described by non-diagonal S-matrices.
