Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1993-06-28
Nucl.Phys. B422 (1994) 449-475
Physics
High Energy Physics
High Energy Physics - Theory
(39 Pages)
Scientific paper
10.1016/0550-3213(94)90441-3
We study on-shell and off-shell properties of the supersymmetric sinh-Gordon and perturbed SUSY Yang-Lee models using the thermodynamic Bethe ansatz and form factors. Identifying the supersymmetric models with the Eight Vertex Free Fermion Model, we derive inversion relation for inhomogeneous transfer matrix and TBA equations and get correct UV results. We obtain two-point form factors of the trace of energy-momentum tensor using the Watson equations and their SUSY transformations. As an application, we compute the UV central charge using these form factors and spectral representation of the $C$-theorem.
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