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The Weinberg-Witten theorem on massless particles: an essay

MPG-Autoren

Loebbert,  Florian
Duality & Integrable Structures, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Volltexte (frei zugänglich)

AnnPhys17-803.pdf
(Verlagsversion), 344KB

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Zitation

Loebbert, F. (2008). The Weinberg-Witten theorem on massless particles: an essay. Annalen der Physik, 17(9-10), 803-829. doi:10.1002/andp.200810305.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-643A-9
Zusammenfassung
In this essay we deal with the Weinberg-Witten theorem [1] which imposes limitations on massless particles. First we motivate a classification of massless particles given by the Poincaré group as the symmetry group of Minkowski spacetime. We then use the fundamental structure of the background in the form of Poincaré covariance to derive restrictions on charged massless particles known as the Weinberg-Witten theorem. We address possible misunderstandings in the proof of this theorem motivated by several papers on this topic. In the last section the consequences of the theorem are discussed. We treat it in the context of known particles and as a constraint for emergent theories.