Gyroscope deviation from geodesic motion: quasiresonant oscillations on a circular orbit

Details Gyroscope deviation from geodesic motion: quasiresonant oscillations on a circular orbit Gyroscope deviation from geodesic motion: quasiresonant oscillations on a circular orbit

2003-01-16

arxiv.org/abs/gr-qc/0301056v2

J.Exp.Theor.Phys. 96 (2003) 581-586; Zh.Eksp.Teor.Fiz. 123 (2003) 659-664

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, LaTeX2e, 1 eps figure, to appear in J. Exp. Theor. Phys

Scientific paper

10.1134/1.1574531

General relativistic spin-orbit interaction leads to the quasiresonant oscillation of the gyroscope mass center along the orbital normal. The beating amplitude does not include the speed of light and equals the ratio of the intrinsic momentum of the gyroscope to its orbital momentum. The modulation frequency equals the angular velocity of the geodetic precession that prevents the oscillation from resonance. The oscillation represents the precession of the gyroscope orbital momentum. Within an acceptable time the oscillation amplitude reaches the values that are amenable to being analyzed experimentally. Taking into account the source oblateness decreases the beating amplitude and increases the modulation frequency by the factor that is equal to the ratio of the quadrupole precession velocity to the geodetic precession velocity. The period of the quadrupole precession turns out to be a quite sufficient time to form a measurable amplitude of the oscillation.

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