Papers

String-localized quantum field theory

Karl-Henning Rehren, Bert Schroer

July 18, 2023

String-localized quantum fields, perturbative QFT, causal perturbation theory, Standard Model of particles

Commissioned by the Encyclopedia of Mathematical Physics, M. Bojowald and R.J. Szabo (eds.). To be published by Elsevier (2024).

How the Higgs potential got its shape

Jens Mund, Karl-Henning Rehren, Bert Schroer

September 13, 2022

causal perturbation theory, string-localized fields, Abelian Higgs model

open access link Nucl. Phys. B987 (2023) 116109

Construction of KMS States in Perturbative QFT and Renormalized Hamiltonian Dynamics

Klaus Fredenhagen, Falk Lindner

June 28, 2013

KMS states, perturbative AQFT, causal perturbation theory, thermal quantum field theory

open access link Communications in Mathematical Physics Volume 332, Issue 3, pp 895-932, 2014-12-01

The Quantum Action Principle in the framework of Causal Perturbation Theory

Ferdinand Brennecke, Michael Dütsch

January 09, 2008

causal perturbation theory, Master Ward Identity

open access link doi:10.1007/978-3-7643-8736-5_11

Microlocal Analysis and Interacting Quantum Field Theories: Renormalization on Physical Backgrounds

Romeo Brunetti, Klaus Fredenhagen

March 12, 1999

causal perturbation theory, microlocal spectrum condition, Wick polynomials on curved spacetimes

open access link Commun.Math.Phys.208:623-661,2000