On Symmetries in (Anti)Causal (Non)Abelian Quantum Theories

dc.creatorKleefeld, F.
dc.date2003-10-21
dc.date.accessioned2026-07-07T12:16:54Z
dc.date.available2026-07-07T12:16:54Z
dc.description(Anti)causal boundary conditions being imposed on the (seemingly) Hermitian Quantum Theory (HQT) as described in standard textbooks lead to an (Anti)Causal Quantum Theory ((A)CQT) with an indefinite metric. Therefore, an (anti)causal neutral scalar field is not Hermitian, as one (anti)causal neutral scalar field consists of a non-Hermitian linear combination of two (Hermitian) acausal fields. Fundamental symmetries in (A)CQT are addressed. The quantum theoretical (transition) probability and antiparticle concepts are revised. Imaginary parts of cross sections and refraction indices are related.
dc.description8 pages, no figures; invited contribution to the 5th Int. Conference on "Symmetry in Nonlinear Mathematical Physics", Inst. of Mathematics, National Academy of Sciences of Ukraine, Kyiv (Kiev), Ukraine, June 23-29, 2003
dc.identifierhttps://arxiv.org/abs/hep-th/0310204
dc.identifierhttp://arxiv.org/abs/hep-th/0310204
dc.identifierEconfC0306234:1367-1374,2003; Proc.Inst.Math.NASUkraine50:1367,2004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/211952
dc.subjectHigh Energy Physics - Theory
dc.titleOn Symmetries in (Anti)Causal (Non)Abelian Quantum Theories
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