Quadrupole effects on the motion of extended bodies in Kerr spacetime

Details Quadrupole effects on the motion of extended bodies in Kerr spacetime Quadrupole effects on the motion of extended bodies in Kerr spacetime

2009-10-15

arxiv.org/abs/0910.2842v1

Class.Quant.Grav.25:125007,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, latex iopart class document, no figures. Note that the second term in the rhs of Eq. (1.2) was misprinted in the publ

Scientific paper

10.1088/0264-9381/25/12/125007

The motion of a body endowed with dipolar as well as quadrupolar structure is investigated in the Kerr background according to the Dixon's model, extending a previous analysis done in the Schwarzschild background. The full set of evolution equations is solved under the simplifying assumptions of constant frame components for both the spin and the quadrupole tensors and that the center of mass moves along an equatorial circular orbit, the total four-momentum of the body being aligned with it. We find that the motion deviates from the geodesic one due to the internal structure of the body, leading to measurable effects. Corrections to the geodesic value of the orbital period of a close binary system orbiting the Galactic Center are discussed assuming that the Galactic Center is a Kerr supermassive black hole.

Affiliated with

Also associated with

No associations

Rating

Quadrupole effects on the motion of extended bodies in Kerr spacetime does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Quadrupole effects on the motion of extended bodies in Kerr spacetime, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Quadrupole effects on the motion of extended bodies in Kerr spacetime will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-619694