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Motion of spinning test bodies in Kerr spacetime

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arxiv 1408.1773 v2 pith:PC7YYYP6 submitted 2014-08-08 gr-qc

Motion of spinning test bodies in Kerr spacetime

classification gr-qc
keywords testbodiesmotionspinningapproximationbodykerrmeans
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We investigate the motion of spinning test bodies in General Relativity. By means of a multipolar approximation method for extended test bodies we derive the equations of motion, and classify the orbital motion of pole-dipole test bodies in the equatorial plane of the Kerr geometry. An exact expression for the periastron shift of a spinning test body is given. Implications of test body spin corrections are studied and compared with the results obtained by means of other approximation schemes.

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