Home Page of Martin Porrmann


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Si fractus inlabatur orbis,
Impavidum ferient ruinae.


Quintus Horatius Flaccus

My research area:

Algebraic Quantum Field Theory






Publications


D. Buchholz and M. PorrmannHow 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. SteinDirac versus Wigner: Towards a Universal Particle Concept in Local Quantum Field Theory. Phys. Lett. B 267, 377 - 381 (1991).
M. PorrmannThe Concept of Particle Weights in Local Quantum Field Theory. Ph.D. thesis, Universität Göttingen, 2000. [hep-th/0005057]. Abstract and Contents.
M. PorrmannParticle Weights and Their Disintegration I. Commun. Math. Phys. 248, 269 - 304 (2004)
DOI: 10.1007/s00220-004-1092-9. [hep-th/0208230].
M. PorrmannParticle 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. Porrmannp-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. RuzziGeneral 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].




Talks


M. PorrmannParticle 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. PorrmannParticle 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. PorrmannOn 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. PorrmannPhase 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. PorrmannCosmology 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. PorrmannThe 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.




Exercises




My Curriculum Vitae



More in future versions of this page!!!




By the way, I have to admit that strings can be enticing.



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