Vacuum Expectation Values from a variational approach

Details Vacuum Expectation Values from a variational approach Vacuum Expectation Values from a variational approach

1997-06-03

arxiv.org/abs/hep-th/9706017v2

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.

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