Equatorial circular geodesics in the Hartle-Thorne spacetime

Bini, D. and Boshkayev, K. and Ruffini, R. and Siutsou, I. (2013) Equatorial circular geodesics in the Hartle-Thorne spacetime. Il nuovo cimento C, 36 (Sup. 1). pp. 31-36. ISSN 1826-9885

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We investigate the influence of the quadrupole moment of a rotating source on the motion of a test particle in the strong-field regime. For this purpose the Hartle-Thorne metric, that is an approximate solution of vacuum Einstein field equations that describes the exterior of any slowly rotating, stationary and axially symmetric body, is used. The metric is given with accuracy up to the second-order terms in the body’s angular momentum, and first-order terms in its quadrupole moment. We give, with the same accuracy, analytic equations for equatorial circular geodesics in the Hartle-Thorne spacetime and integrate them numerically.

Item Type: Article
Uncontrolled Keywords: Classical general relativity ; Relativity and gravitation
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 07 May 2020 16:50
Last Modified: 07 May 2020 16:50
URI: http://eprints.bice.rm.cnr.it/id/eprint/18429

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