Bosonic-type S-Matrix, Vacuum Instability and CDD Ambiguities
High Energy Physics - Theory
2009-10-31 v3 Condensed Matter
Abstract
We consider the simplest bosonic-type S-matrix which is usually regarded as unphysical due to the complex values of the finite volume ground state energy. While a standard quantum field theory interpretation of such a scattering theory is precluded, we argue that the physical situation described by this S-matrix is of a massive Ising model perturbed by a particular set of irrelevant operators. The presence of these operators drastically affects the stability of the original vacuum of the massive Ising model and its ultraviolet properties.
Cite
@article{arxiv.hep-th/9903072,
title = {Bosonic-type S-Matrix, Vacuum Instability and CDD Ambiguities},
author = {G. Mussardo and P. Simon},
journal= {arXiv preprint arXiv:hep-th/9903072},
year = {2009}
}
Comments
version to appear in Nucl. Phys. B