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Journal Article

Massive motion in Brans-Dicke geometry and beyond

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Schuller,  Frederic P.
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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0901.3264v1.pdf
(Preprint), 151KB

PRD79_124025.pdf
(Any fulltext), 130KB

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Citation

Punzi, R., Schuller, F. P., & Wohlfarth, M. N. R. (2009). Massive motion in Brans-Dicke geometry and beyond. Physical Review D., 79: 124025. doi:10.1103/PhysRevD.79.124025.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-4531-A
Abstract
Gravity theories that can be viewed as dynamics for area metric manifolds, for which Brans-Dicke theory presents a recently studied example, require for their physical interpretation the identification of the distinguished curves that serve as the trajectories of light and massive matter. Complementing previous results on the propagation of light, we study effective massive point particle motion. We show that the relevant geometrical structure is a special Finsler norm determined by the area metric, and that massive point particles follow Finsler geodesics.