Type: Article
Publication Date: 1972-01-01
Citations: 9
DOI: https://doi.org/10.1090/s0002-9947-1972-0292436-4
We consider hamiltonians ${H_\beta } = {H_0} + \beta {H_I}(g)$, where ${H_0}$ is the hamiltonian of a free Bose field $\phi (x)$ of mass $m > 0$ in two-dimensional space-time, ${H_I}(g) = \smallint g(x):P(\phi (x)):dx$ where $g \geqq 0$ is a spatial cutoff and