On the Interaction in Lattice Gauge Theory
High Energy Physics - Lattice
2010-11-16 v2
Abstract
Haag's theorem states that if a quantum field theory is Lorentz invariant and irreducible, there is no interaction picture. But if we construct quantum field theory on a discrete lattice spacetime, its representation will be reducible and the interaction picture will be restored again.
Cite
@article{arxiv.1011.2278,
title = {On the Interaction in Lattice Gauge Theory},
author = {Bijan Sheikholeslami-Sabzevari and Hamideh Rahmati},
journal= {arXiv preprint arXiv:1011.2278},
year = {2010}
}
Comments
7 pages