Gravito-magnetic gyroscope precession in Palatini f(R) gravity

Details Gravito-magnetic gyroscope precession in Palatini f(R) gravity Gravito-magnetic gyroscope precession in Palatini f(R) gravity

2008-09-19

arxiv.org/abs/0809.3358v2

Phys. Rev. D 79, 084001 (2009)

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages, revised to match the version accepted for publication in Physical Review D

Scientific paper

10.1103/PhysRevD.79.084001

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 $f(R)$ 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.

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