Issues

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1986

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March

  

Reviews of topical problems


Motion of particles and photons in the gravitational field of a rotating body (In memory of Vladimir Afanas’evich Ruban)

A study is made of the trajectories of free motion of test particles and photons in the Kerr metric, which describes the gravitational field of a rotating massive body. The trajectories are classified on the basis of the integrals of the motion, which have a clear physical meaning. The cases of a strong gravitational field in the neighborhood of a rotating black hole as well as the weak-field approximation describing the motion of particles in the gravitational field of a rotating star or galaxy are considered. The review includes bound states (orbits) in the field of a rotating mass, scattering and gravitational capture of particles and photons by a rotating black hole, trajectories of falling into a black hole, and the bending of light rays and the gravitational time delay of signals in the gravitational field of a rotating body.

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Fulltext is also available at DOI: 10.1070/PU1986v029n03ABEH003178
PACS: 04.70.−s, 97.60.Lf, 95.30.Sf, 98.62.Sb (all)
DOI: 10.1070/PU1986v029n03ABEH003178
URL: https://ufn.ru/en/articles/1986/3/a/
Citation: Dymnikova I G "Motion of particles and photons in the gravitational field of a rotating body (In memory of Vladimir Afanas'evich Ruban)" Sov. Phys. Usp. 29 215–237 (1986)
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Оригинал: Дымникова И Г «Движение частиц и фотонов в гравитационном поле вращающегося тела» УФН 148 393–432 (1986); DOI: 10.3367/UFNr.0148.198603a.0393

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