Fock space, quantum fields and kappa-Poincaré symmetries

Details Fock space, quantum fields and kappa-Poincaré symmetries Fock space, quantum fields and kappa-Poincaré symmetries

2007-07-10

arxiv.org/abs/0707.1329v1

Phys.Rev.D76:125005,2007

Physics

High Energy Physics

High Energy Physics - Theory

RevTeX, 17 pages, 5 figures

Scientific paper

10.1103/PhysRevD.76.125005

We study the quantization of a linear scalar field, whose symmetries are described by the kappa-Poincare' Hopf-algebra, via deformed Fock space construction. The one-particle sector of the theory exhibits a natural (planckian) cut-off for the field modes. At the multi-particle level the non-trivial co-algebra structure of kappa-Poincare' leads to a deformed bosonization in the construction of Fock space states. These physical states carry energy-momentum charges which are divergenceless and obey a deformed dispersion relation.

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