Impavidum ferient ruinae.

D. Buchholz and M. Porrmann | How Small is the Phase Space in Quantum
Field Theory? Ann. Inst. Henri Poincaré - Physique
théorique 52, 237 - 257 (1990). Made
available by NUMDAM |

D. Buchholz, M. Porrmann and U. Stein | Dirac versus Wigner: Towards a Universal
Particle Concept in Local Quantum Field Theory. Phys. Lett. B
267, 377 - 381 (1991). |

M. Porrmann | The Concept of Particle Weights in Local Quantum Field Theory. Ph.D. thesis, Universität Göttingen, 2000. [hep-th/0005057]. Abstract and Contents. |

M. Porrmann | Particle
Weights and Their Disintegration I. Commun. Math. Phys. 248, 269 - 304 (2004)
DOI: 10.1007/s00220-004-1092-9. [hep-th/0208230]. |

M. Porrmann | Particle
Weights and Their Disintegration II. Commun. Math. Phys. 248, 305 - 333 (2004)
DOI: 10.1007/s00220-004-1093-8. [hep-th/0211046]. |

C.J. Fewster, I. Ojima and M. Porrmann | p-Nuclearity in a New Perspective. Lett. Math. Phys. 73, 1 - 15 (2005)
DOI: 10.1007/s11005-005-8445-y. [math-ph/0412027]. |

R. Brunetti, M. Porrmann and G. Ruzzi | General Covariance in Algebraic Quantum Field Theory. Lecture Notes of "Seminario Interdisciplinare di Matematica" Vol. 5 (2006) pp. 31 - 71. Università della Basilicata, Dipartimento di Matematica, Series Editor E. Barletta. [math-ph/0512059]. |

M. Porrmann | Particle
Weights — a Unified Approach to Wigner Particles and
Infraparticles, Talk given on July 11, 2002, at the Wigner Centennial Conference,
University of Pécs, Hungary. |

M. Porrmann | Particle Weights — a Unified
Approach to Wigner Particles and Infraparticles, Talk given on February 25, 2004, at the Symposium A
Mathematical Study of Quantum Systems and its Applications
to Quantum Computer,Research Institute for Mathematical Sciences (RIMS), Kyoto University, Japan. |

M. Porrmann | On the Use of
Phase Space Criteria (Compactness, Nuclearity) in Local
Quantum Field Theory, Informal review talk given on February 26, 2004, at the Workshop Establishment of Mathematical Foundations of
Quantum Information,International Institute for Advanced Studies (IIAS), Kyoto, Japan. |

M. Porrmann | Phase Space
Structure and Quantum Inequalities, Talk given on July 3, 2004 at the 14th Workshop Foundations
and Constructive Aspects of QFT,II. Institute for Theoretical Physics of the University of Hamburg, Germany. |

M. Porrmann | Cosmology and
Non-Equilibrium Quantum Field Theory, Review talk given on February 4, 2005, in the TESLA seminar of the Graduiertenkolleg "Zukünftige Entwicklungen in der Teilchenphysik," II. Institute for Theoretical Physics of the University of Hamburg, Germany. |

M. Porrmann | The Phase
Space in Quantum Field Theory. How Small? How
Large? (Video Projector
Version, Transparencies), Talk given on April 13, 2005, in the seminar Quantum
Field Theory and Mathematical Physics,II. Institute for Theoretical Physics of the University of Hamburg, Germany. |

You can contact me:

martin.porrmann@desy.de Last modified: Thu Feb 1 15:33:17 CET 2007