Symmetries, higher order symmetries and supersymmetries

Details Symmetries, higher order symmetries and supersymmetries Symmetries, higher order symmetries and supersymmetries

2010-02-12

arxiv.org/abs/1002.2559v2

Physics

High Energy Physics

High Energy Physics - Theory

106 pages, M.Sc. thesis, July 2002. University of Turin, Italy. Edited title page with the correct affiliation format

Scientific paper

We discuss a geometrical formulation for gauge field theories, called Gauge-Natural, which has been mostly developed at the University of Turin (Italy) and at the Masaryk University in Brno (Czech Republic). In this framework, the group of automorphisms of some suitable principal bundle P, called the structure bundle, acts on fields by means of gauge transformations. After showing that the classical Wess-Zumino model can be consistently described within this formalism, we consider minimal supergravity (mSugra). We find that to embed mSugra in a Gauge-Natural framework, further investigations are needed. This happens since both the covariance of the Rarita-Schwinger Lagrangian and the closure of the SUSY algebra occur on-shell.

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