Self-interaction spin effects in inspiralling compact binaries

Details Self-interaction spin effects in inspiralling compact binaries Self-interaction spin effects in inspiralling compact binaries

2005-04-25

arxiv.org/abs/astro-ph/0504538v2

Phys.Rev. D71 (2005) 124043

Astronomy and Astrophysics

Astrophysics

slightly expanded, references added, to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.71.124043

Gravitational radiation drives compact binaries through an inspiral phase towards a final coalescence. For binaries with\textit{spin, mass quadrupole and magnetic dipole moments}, various contributions add to this process, which is characterized by the rate of increase $df/dt$ of the gravitational wave frequency and the accumulated number $\mathcal{N}$ of gravitational wave cycles. We present here all contributions to $df/dt$ and $% \mathcal{N}$ up to the second post-Newtonian order. Among them we give for the first time the contributions due to the \textit{self-interaction of individual spins}. These are shown to be commensurable with the proper spin-spin contributions for the recently discovered J0737-3039 double pulsar, and argued to represent the first corrections to the radiation reaction in the Lense-Thirring approach.

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