Relativistische Materie in zwei Raum-Zeit-Dimensionen

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Title of host publicationSpace and Matter
DatePublished - 2015
Pages186-201
PublisherLit Verlag
Place of PublicationMünster
EditorsEberhard Müller
Original languageGerman
ISBN (Print)9783643124739

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NameVilligst Profile
PublisherLit Verlag
Volume16

Abstract

Quantum field theory unifies concepts from quantum theory and from special relativity. Its mathematically rigorous description is quite intricate and is only partially understood; this is particularly true for the construction of operators corresponding to measurements at a space-time point or in a bounded space-time region. We explain this fact in simplified examples on 1+1 dimensional space-time, namely in so-called integrable models. We give a characterization of local operators by means of the analyticity properties of their coefficients in a certain series expansion. This also allows us to explicitly construct examples of local operators.

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