Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-01-11
PoS WC2004 (2004) 013
Physics
High Energy Physics
High Energy Physics - Theory
Preprint version 7 pages. Talk presented in the Fourth International Winter Conference on Mathematical Methods in Physics, 9 t
Scientific paper
The problem of coupling between spin and torsion is analysed from a Lyra's manifold background for scalar and vector massive fields using the Duffin-Kemmer-Petiau (DKP) theory. We found the propagation of the torsion is dynamical, and the minimal coupling of DKP field corresponds to a non-minimal coupling in the standard Klein-Gordon-Fock and Proca approaches. The origin of this difference in the couplings is discussed in terms of equivalence by surface terms.
Casana Rodolfo
de Melo A. M. C.
Pimentel Bruto Max
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