Year: 1982

Authors: G. Benfatto, G. Gallavotti, F. Nicolo`

Title: On the Massive Sine-Gordon Equation in the First Few Regions of Collapse
Communication in Mathematical Physics, 83, 387-410, 1982

Abstract: We study the ultraviolet stability problem for the two-dimensional Yukawa interaction $\lambda\int :\cos\alpha\phi_\xi: d\xi$ in the region $4\pi<\alpha<\bar\alpha$, where $6\pi<< \bar\alpha < 8\pi$. The results have a natural Coulomb gas interpretation, because the counterterms do not depend on the field.

Key words:  Field theory, Quantum fields, Sine-Gordon field, Coulomb gas