131 citations · 636 across the 33 of their papers we have counts for
5 papers · 1 filter
The Star Product in Interacting Quantum Field Theory
Eli Hawkins, Kasia Rejzner
We propose a new formula for the star product in deformation quantization of Poisson structures related in a specific way to a variational problem for a function , interpreted a…
The Quantum Sine Gordon model in perturbative AQFT
Dorothea Bahns, Kasia Rejzner
We study the Sine-Gordon model with Minkowski signature in the framework of perturbative algebraic quantum field theory. We calculate the vertex operator algebra braiding property.…
Cosmological perturbation theory and quantum gravity
Romeo Brunetti, Klaus Fredenhagen, Thomas-Paul Hack +2
It is shown how cosmological perturbation theory arises from a fully quantized perturbative theory of quantum gravity. Central for the derivation is a non-perturbative concept of g…
Effective quantum gravity observables and locally covariant QFT
Kasia Rejzner
Perturbative algebraic quantum field theory (pAQFT) is a mathematically rigorous framework that allows to construct models of quantum field theories on a general class of Lorentzia…
Renormalization and periods in perturbative Algebraic Quantum Field Theory
Kasia Rejzner
In this paper I give an overview of mathematical structures appearing in perturbative algebraic quantum field theory (pAQFT) in the case of the massless scalar field on Minkowski s…