Gauge Model With Extended Field Transformations in Euclidean Space

Details Gauge Model With Extended Field Transformations in Euclidean Space Gauge Model With Extended Field Transformations in Euclidean Space

1998-11-11

arxiv.org/abs/hep-th/9811102v1

Int.J.Mod.Phys. A15 (2000) 227-250

Physics

High Energy Physics

High Energy Physics - Theory

31 pages, Plain LaTeX

Scientific paper

10.1142/S0217751X00000100

An SO(4) gauge invariant model with extended field transformations is examined in four dimensional Euclidean space. The gauge field is $(A^\mu)^{\alpha\beta} = 1/2 t^{\mu\nu\lambda} (M^{\nu\lambda})^{\alpha\beta}$ where $M^{\nu\lambda}$ are the SO(4) generators in the fundamental representation. The SO(4) gauge indices also participate in the Euclidean space SO(4) transformations giving the extended field transformations. We provide the decomposition of the reducible field $t^{\mu\nu\lambda}$ in terms of fields irreducible under SO(4). The SO(4) gauge transformations for the irreducible fields mix fields of different spin. Reducible matter fields are introduced in the form of a Dirac field in the fundamental representation of the gauge group and its decomposition in terms of irreducible fields is also provided. The approach is shown to be applicable also to SO(5) gauge models in five dimensional Euclidean space.

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