A linear realization of the BRST symmetry

Details A linear realization of the BRST symmetry A linear realization of the BRST symmetry

2009-01-23

arxiv.org/abs/0901.3679v3

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, expanded introduction, some minors modifications

Scientific paper

In this Letter, we propose a model which is equivalent to the Yang-Mills theory at long distances but for which all symmetries are realized linearly. On top of the gauge and Fadeev-Popov ghosts fields, the model presents several massive fields, all of which can be merged in a unique vector field with support in a curved superspace. The equivalence of this model with the gauge-fixed Yang-Mills theory is shown to result from the decoupling of these extra massive modes at small momenta. Most of the symmetries of Yang-Mills theory, including the famous BRST symmetry, can be interpreted in this way as isometries of the superspace.

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