On the Interaction in Lattice Gauge Theory

2010/11/10 by Bijan Sheikholeslami-Sabzevari, Sheikholeslami-Sabzevari, Bijan, Hamideh Rahmati +1
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #hep-lat

paper · pdf · doi:10.48550/arxiv.1011.2278

7 pages

arxiv created 2010/11/14 · arxiv updated 2010/11/16

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.

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