Haag-Ruelle scattering theory in presence of massless particles
arXiv:hep-th/0412226 · doi:10.1007/s11005-005-2294-6
Abstract
Within the framework of local quantum physics we construct a scattering theory of stable, massive particles without assuming mass gaps. This extension of the Haag-Ruelle theory is based on advances in the harmonic analysis of local operators. Our construction is restricted to theories complying with a regularity property introduced by Herbst. The paper concludes with a brief discussion of the status of this assumption.
As appeared in Letters in Mathematical Physics
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