Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1997-06-03
Phys.Lett. B411 (1997) 127-133
Physics
High Energy Physics
High Energy Physics - Theory
LaTeX file, 11 pages. Revised Version
Scientific paper
10.1016/S0370-2693(97)00983-0
In this letter we propose to use an extension of the variational approach known as Truncated Conformal Space to compute numerically the Vacuum Expectation Values of the operators of a conformal field theory perturbed by a relevant operator. As an example we estimate the VEV's of all (UV regular) primary operators of the Ising model and of some of the Tricritical Ising Model conformal field theories when perturbed by any choice of the relevant primary operators. We compare our results with some other independent predictions.
Guida Riccardo
Magnoli Nicodemo
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