Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2009-06-12
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
5 pages, Proceedings of The 3rd Stueckelberg Workshop on Relativistic Field Theories
Scientific paper
In this paper we propose a new approach to matter dynamics in compactified Kaluza-Klein theories. We discard the idea that the motion is geodesic and perform a simultaneous reduction of matter geometry defining the test particle via a multipole approach. In the resulting dynamics the tower of huge massive modes is removed, without giving up the compactification scenario. Such an approach yields a consistent modified gravity theory with source. Some scenarios and applications to dark energy problem are sketched.
Lacquaniti Valentino
Montani Giovanni
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