Self-interaction spin effects in inspiralling compact binaries

Apr, 2005
Published in:
  • Phys.Rev.D 71 (2005) 124043
e-Print:

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Abstract: (arXiv)
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/dtdf/dt of the gravitational wave frequency and the accumulated number N\mathcal{N} of gravitational wave cycles. We present here all contributions to df/dtdf/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.
  • 04.25.Nx
  • 04.30.Db