Ph.D. Theses

This is a list of doctoral theses from our group over the last years.

• Perturbative Algebraic Quantum Field Theory at Finite Temperature (PDF)
  Falk Lindner, July 2013, Supervisor K. Fredenhagen. DESY-THESIS-2013-029.
• Properties of States of Low Energy on Cosmological Spacetimes (PDF)
  Andreas Degner, January 2013, Supervisor K. Fredenhagen
• Batalin-Vilkovisky formalism in locally covariant field theory (PDF)
  Katarzyna Rejzner, November 2011, Supervisor K. Fredenhagen
• On the Backreaction of Scalar and Spinor Quantum Fields in Curved Spacetimes (PDF)
  Thomas-Paul Hack, June 2010, Supervisor K. Fredenhagen. DESY-THESIS-2010-042.
• Dimensional Regularization in Position Space and a Forest Formula for Regularized Epstein-Glaser Renormalization (PDF)
  Kai Keller, April 2010, Supervisor K. Fredenhagen. DESY-THESIS-2010-012.
• A Class of Almost Equilibrium States in Robertson-Walker Spacetimes (PDF)
  Muharrem Küskü. Juli 2008, Supervisor K. Fredenhagen. DESY-THESIS-2008-020.
• From Spin Groups and Modular P(1)CT Symmetry to Covariant Representations and the Spin-Statistics Theorem. (PDF)
  Reinhard Lorenzen. Februar 2007, Supervisor B. Kuckert. DESY-THESIS-2007-009.
• Dispersion relations in quantum electrodynamics on the noncommutative Minkowski space. (PDF)
  Jochen Wolfgang Zahn. December 2006, Supervisor K. Fredenhagen. DESY-THESIS-2006-037.
• Yang-Feldman Formalism on Noncommutative Minkowski Space. (PDF)
  Claus Döscher. December 2006, Supervisor K. Fredenhagen. DESY-THESIS-2006-032.
• Modular Action on the Massive Algebra. (PDF)
  Timor Saffary. December 2005, Supervisor K. Fredenhagen. DESY-THESIS-2005-039.
• Local Scattering Operators for P(\phi)_2 Models and the Time-dependent Schrödinger Equation. (PDF)
  Tobias Schlegelmilch. November 2005, Supervisor K. Fredenhagen. DESY-THESIS-2005-036, math-ph/0512091.
• Perturbative Methods on the Noncommutative Minkowski Space. (PDF)
  Dorothea Bahns. December 2003, Supervisor K. Fredenhagen. DESY-THESIS-2004-004.
• Quantum Electrodynamics on background external fields (PDF)
  Pjotr Marecki. December 2003, Supervisor K. Fredenhagen. DESY-THESIS-2004-002, hep-th/0312304.
• Epstein-Glaser Renormalization: Finite Renormalizations, the S-Matrix of Φ4 Theory and the Action Principle. (PDF)
  Gudrun Pinter. October 2000, Supervisor K. Fredenhagen. DESY-THESIS-2000-047.
• Energy Momentum Tensor and Operator Product Expansion in Local Causal Perturbation Theory. (PDF)
  Dirk Prange. September 2000, Supervisor K. Fredenhagen. DESY-THESIS-2000-037, hep-th/0009124.
• Gauge theories in local causal perturbation theory. (PDF)
  Franz-Marc Boas. November 1999, Supervisor K. Fredenhagen. DESY-THESIS-1999-032, hep-th/0001015.
• Spin & statistics, localization regions and modular symmetries in quantum field theory. (PDF)
  Bernd Kuckert. August 1998, Supervisor K. Fredenhagen. DESY-THESIS-1998-026.
• The Measurement of Length in Linear Quantum Gravity. (PDF)
  Stefan Ohlmeyer. July 1997, Supervisor K.Fredenhagen. DESY 97-107.
• On the algebraic theory of Kink sectors: Application to quantum field theory models and collision theory. (PDF)
  Dirk Schlingemann. October 1996, Supervisor K. Fredenhagen. DESY 96-228.
• Conformal quantum field theory: From Haag-Kastler nets to Wightman fields. (PDF)
  Martin Jörß. July 1996, Supervisor K. Fredenhagen. DESY 96-136.
• Superselection sectors of so(N) Wess-Zumino-Witten models. (PDF)
  Jens Böckenhauer. June 1996, Supervisor K. Fredenhagen. DESY 96-118, hep-th/9607016.
• Adiabatic vacua and Hadamard states for scalar quantum fields on curved spacetime. (PDF)
  Wolfgang Junker. July 1995, Supervisor K. Fredenhagen. DESY 95-144, hep-th/9507097.
• The stress energy tensor of a locally supersymmetric quatum field on a curved spacetime. (PDF)
  Martin Köhler. April 1995, Supervisor K. Fredenhagen. DESY 95-080, gr-qc/9505014.