Kasia Rejzner (York)
Title: Perturbative algebraic QFT - Example of the sine-Gordon model
In this talk I will present recent results on the
construction of the net of local algebras for the sine-Gordon model. The
approach I will present is that of perturbative algebraic QFT, in which
the interacting fields are constructed using formal S-matrices. It has
been shown that in sine-Gordon model these formal S-matrices can be
realized as unitary operators in certain Hilbert space representation,
appropriate for massless scalar field in 2 dimensions.