String-localized quantum fields from Wigner representations

Details String-localized quantum fields from Wigner representations String-localized quantum fields from Wigner representations

2004-02-16

arxiv.org/abs/math-ph/0402043v2

Phys.Lett. B596 (2004) 156-162

Physics

Mathematical Physics

References, some text and an appendix added

Scientific paper

10.1016/j.physletb.2004.06.091

In contrast to the usual representations of of the Poincar\'e group of finite spin or helicity the Wigner representations of mass zero and infinite spin are known to be incompatible with pointlike localized quantum fields. We present here a construction of quantum fields associated with these representations that are localized in semi-infinite, space-like strings. The construction is based on concepts outside the realm of Lagrangian quantization with the potential for further applications.

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