Remarks on some new models of interacting quantum fields with indefinite metric

Details Remarks on some new models of interacting quantum fields with indefinite metric Remarks on some new models of interacting quantum fields with indefinite metric

2005-01-12

arxiv.org/abs/math-ph/0501034v1

Rept.Math.Phys. 40 (1997) 385-394

Physics

Mathematical Physics

13 pages

Scientific paper

We study quantum field models in indefinite metric. We introduce the modified Wightman axioms of Morchio and Strocchi as a general framework of indefinite metric quantum field theory (QFT) and present concrete interacting relativistic models obtained by analytical continuation from some stochastic processes with Euclidean invariance. As a first step towards scattering theory in indefinite metric QFT, we give a proof of the spectral condition on the translation group for the relativistic models.

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