A Discretized Version of Kaluza-Klein Theory with Torsion and Massive Fields

Details A Discretized Version of Kaluza-Klein Theory with Torsion and Massive Fields A Discretized Version of Kaluza-Klein Theory with Torsion and Massive Fields

1995-08-07

arxiv.org/abs/hep-th/9508032v1

Int.J.Mod.Phys. A11 (1996) 2403-2418

Physics

High Energy Physics

High Energy Physics - Theory

24 pages

Scientific paper

We consider an internal space of two discrete points in the fifth dimension of the Kaluza-Klein theory by using the formalism of noncommutative geometry developed in a previous paper \cite{VIWA} of a spacetime supplemented by two discrete points. With the nonvanishing internal torsion 2-form there are no constraints implied on the vielbeins. The theory contains a pair of tensor, a pair of vector and a pair of scalar fields. Using the generalized Cartan structure equation we are able not only to determine uniquely the hermitian and metric compatible connection 1-forms, but also the nonvanishing internal torsion 2-form in terms of vielbeins. The resulting action has a rich and complex structure, a particular feature being the existence of massive modes. Thus the nonvanishing internal torsion generates a Kaluza-Klein type model with zero and massive modes.

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