1.4k citations · 4k across the 57 of their papers we have counts for
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math-ph2013★ 1 cited
Quantum field theory on curved spacetime and the standard cosmological model
Klaus Fredenhagen, Thomas-Paul Hack
The aim of this review is to outline a full route from the fundamental principles of algebraic quantum field theory on curved spacetime in its present-day form to explicit phenomen…
math-ph2013★ 34 cited
Construction of KMS States in Perturbative QFT and Renormalized Hamiltonian Dynamics
Klaus Fredenhagen, Falk Lindner
We present a general construction of KMS states in the framework of perturbative algebraic quantum field theory (pAQFT). Our approach may be understood as an extension of the Schwi…
math-ph2013★ 18 cited
Quantum gravity from the point of view of locally covariant quantum field theory
Romeo Brunetti, Klaus Fredenhagen, Katarzyna Rejzner
We construct perturbative quantum gravity in a generally covariant way. In particular our construction is background independent. It is based on the locally covariant approach to q…