Integrals of motion from TBA and lattice-conformal dictionary
G. Feverati, P. Grinza
Abstract
The integrals of motion of the tricritical Ising model are obtained by Thermodynamic Bethe Ansatz (TBA) equations derived from the A4 integrable lattice model. They are compared with those given by the conformal field theory leading to a unique one-to-one lattice-conformal correspondence. They can also be followed along the renormalization group flows generated by the action of the boundary field ϕ1,3 on conformal boundary conditions in close analogy to the usual TBA description of energies.
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