Non-perturbative states in the three-dimensional phi^4 theory
High Energy Physics - Lattice
2015-06-25 v1 Condensed Matter
High Energy Physics - Theory
Abstract
We study the spectrum of massive excitations of the three-dimensional phi^4 and Ising models, in the broken-symmetry phase. Using a variational method, we show that the spectrum contains all the 0+ states that one expects from duality with the glueball spectrum of the Z(2) gauge model. From the point of view of continuum phi^4 theory, we show that at least one of the states we find has a non-perturbative origin.
Keywords
Cite
@article{arxiv.hep-lat/9907018,
title = {Non-perturbative states in the three-dimensional phi^4 theory},
author = {M. Caselle and M. Hasenbusch and P. Provero},
journal= {arXiv preprint arXiv:hep-lat/9907018},
year = {2015}
}
Comments
LATTICE99(spin) - 3 pages, 2 encapsulated postscript figures