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Scalar field self-force effects on orbits about a Schwarzschild black hole

Diaz-Rivera, Luz, Messaritaki, Eirini, Whiting, Bernard and Detweiler, Steven 2004. Scalar field self-force effects on orbits about a Schwarzschild black hole. Physical Review D 70 (12) , 124018. 10.1103/PhysRevD.70.124018

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Abstract

For a particle of mass μ and scalar charge q, we compute the effects of the scalar field self-force upon circular orbits, upon slightly eccentric orbits and upon the innermost stable circular orbit (ISCO) of a Schwarzschild black hole of mass m. For circular orbits the self-force is outward and causes the angular frequency at a given radius to decrease. For slightly eccentric orbits the self-force decreases the rate of the precession of the orbit. The effect of the self-force moves the radius of the innermost stable circular orbit inward by 0.122 701×q2/μ, and it increases the angular frequency of the ISCO by the fraction 0.029 165 7×q2/μm.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Cardiff University Brain Research Imaging Centre (CUBRIC)
Medicine
Subjects: Q Science > QC Physics
Publisher: American Physical Society
ISSN: 1550-7998
Last Modified: 04 Jun 2017 08:55
URI: http://orca.cf.ac.uk/id/eprint/87756

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