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An international platform for information exchange among scientists working on
mathematical, conceptual, and constructive problems in
local relativistic quantum physics (LQP).

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Klaus Fredenhagen's picture

Klaus Fredenhagen

Universität Hamburg
http://unith.desy.de/research/aqft

Papers

Locally covariant approach to effective quantum gravity

Romeo Brunetti, Klaus Fredenhagen, Kasia Rejzner
December 15, 2022
open access link

Unitary, anomalous Master Ward Identity and its connections to the Wess-Zumino condition, BV formalism and $L_\infty$-algebras

Romeo Brunetti, Michael Dütsch, Klaus Fredenhagen, Kasia Rejzner
October 12, 2022
open access link article file

The unitary Master Ward Identity: Time slice axiom, Noether's Theorem and Anomalies

Romeo Brunetti, Michael Dütsch, Klaus Fredenhagen, Kasia Rejzner
August 30, 2021
open access link

$C^*$-algebraic approach to interacting quantum field theory: Inclusion of Fermi fields

Romeo Brunetti, Michael Dütsch, Klaus Fredenhagen, Kasia Rejzner
March 09, 2021
open access link doi:10.1007/s11005-022-01590-7

Dynamical C*-algebras and kinetic perturbations

Detlev Buchholz, Klaus Fredenhagen
August 05, 2020
open access link doi:10.1007/s00023-020-01002-3

Pages

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Slides

  • Title: Characterization of dynamics in algebraic quantum field theory
    Event: Mathematics of interacting QFT models
    Date: July 1, 2019
  • Title: The impact of the algebraic approach on perturbative quantum field theory
    Event: Algebraic Quantum Field Theory – the first 50 Years
    Date: July 29, 2009
  • Title: Cosmological Perturbation Theory and Perturbative Quantum Gravity
    Event: Quantum Field Theory: Concepts, Constructions & Curved Spacetimes
    Date: April 4, 2017

Students

Explicit construction of Hadamard states for Quantum Field Theory in curved spacetimes

Marcos Brum
PhD Thesis, 2014, Federal University of Rio de Janeiro
Advisors: Sergio Jorás, Klaus Fredenhagen
quantum fields in curved spacetimes, Hadamard states
open access link

Quantization of the Electromagnetic Potential in Asymptotically Flat Spacetimes

Daniel Siemssen
Diploma Thesis, 2011, Universität Hamburg
Advisors: Claudio Dappiaggi, Klaus Fredenhagen
QFT on curved spacetimes, Hadamard states, vector potential, asymptotically flat spacetimes
open access link

Batalin-Vilkovisky formalism in locally covariant field theory

Katarzyna Rejzner
PhD Thesis, 2011, Universität Hamburg
Advisor: Klaus Fredenhagen
Batalin-Vilkovisky formalism, perturbative AQFT, gauge field theories, locally covariant quantum field theory
open access link

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