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Kepler Equation for the Compact Binaries under the Spin-spin Interaction

Zoltán Keresztes, Balázs Mikóczi

astro-pharXiv:astro-ph/0610287

Abstract

In this work we consider compact binaries on eccentric orbit under the spin-spin interaction. Using the post-Newtonian formalism, the binaries undergo a perturbed Keplerian motion. Here we investigate only the radial motion and derive the contribution of the second post-Newtonian order spin-spin effect to the solution.

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