Physics – Mathematical Physics
Scientific paper
2006-11-20
Physics
Mathematical Physics
PhD thesis, Goettingen university, 2006 (advisor: D. Buchholz) 153 pages, 10 figures
Scientific paper
The subject of this thesis is a novel construction method for interacting relativistic quantum field theories on two-dimensional Minkowski space. The input in this construction is not a classical Lagrangian, but rather a prescribed factorizing S-matrix, i.e. the inverse scattering problem for such quantum field theories is studied. For a large class of factorizing S-matrices, certain associated quantum fields, which are localized in wedge-shaped regions of Minkowski space, are constructed explicitely. With the help of these fields, the local observable content of the corresponding model is defined and analyzed by employing methods from the algebraic framework of quantum field theory. The abstract problem in this analysis amounts to the question under which conditions an algebra of wedge-localized observables can be used to generate a net of local observable algebras with the right physical properties. The answer given here uses the so-called modular nuclearity condition, which is shown to imply the existence of local observables and the Reeh-Schlieder property. In the analysis of the concrete models, this condition is proven for a large family of S-matrices, including the scattering operators of the Sinh-Gordon model and the scaling Ising model as special examples. The so constructed models are then investigated with respect to their scattering properties. They are shown to solve the inverse scattering problem for the considered S-matrices, and a proof of asymptotic completeness is given.
No associations
LandOfFree
On the Construction of Quantum Field Theories with Factorizing S-Matrices does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with On the Construction of Quantum Field Theories with Factorizing S-Matrices, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On the Construction of Quantum Field Theories with Factorizing S-Matrices will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-120853