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Article Dans Une Revue International Journal of Geometric Methods in Modern Physics Année : 2014

Gauge invariant composite fields out of connections, with examples

Résumé

In this paper we put forward a systematic and unifying approach to construct gauge invariant composite fields out of connections. It relies on the existence in the theory of a group valued field with a prescribed gauge transformation. As an illustration, we detail some examples. Two of them are based on known results: the first one provides a reinterpretation of the symmetry breaking mechanism of the electroweak part of the Standard Model of particle physics; the second one is an application to Einstein's theory of gravity described as a gauge theory in terms of Cartan connections. The last example depicts a new situation: starting with a gauge field theory on Atiyah Lie algebroids, the gauge invariant composite fields describe massive vector fields. Some mathematical and physical discussions illustrate and highlight the relevance and the generality of this systematic approach.

Dates et versions

hal-00769445 , version 1 (01-01-2013)

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Cédric Fournel, Jordan François, Serge Lazzarini, Thierry Masson. Gauge invariant composite fields out of connections, with examples. International Journal of Geometric Methods in Modern Physics, 2014, pp.1450016. ⟨10.1142/S0219887814500169⟩. ⟨hal-00769445⟩
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