Integrals of motion from TBA and lattice-conformal dictionary

Abstract

The integrals of motion of the tricritical Ising model are obtained by Thermodynamic Bethe Ansatz (TBA) equations derived from the A_4 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 ϕ_{1,3} on conformal boundary conditions in close analogy to the usual TBA description of energies.

20 pages, 1 figure, LaTeX; v2: added references, improved conventions introduced in sections 4, 5 and related tables; v3: added references

References in corpus (2)

• Exact conserved quantities on the cylinder I: conformal case
• Exact ${\varphi }_{1,3}$ boundary flows in the tricritical Ising model

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