Gravito-magnetic gyroscope precession in Palatini f(R) gravity
arXiv:0809.3358 · doi:10.1103/PhysRevD.79.084001
Abstract
We study gravito-magnetic effects in the Palatini formalism of f(R) gravity. On using the Kerr-de Sitter metric, which is a solution of f(R) field equations, we calculate the impact of f(R) gravity on the gravito-magnetic precession of an orbiting gyroscope. We show that, even though an contribution is present in principle, its magnitude is negligibly small and far to be detectable in the present (like GP-B) and foreseeable space missions or observational tests around the Earth.
6 pages, revised to match the version accepted for publication in Physical Review D
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