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Higher-order spin effects in the dynamics of compact binaries I. Equations of motion

4 Pith papers cite this work. Polarity classification is still indexing.

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abstract

We derive the equations of motion of spinning compact binaries including the spin-orbit (SO) coupling terms one post-Newtonian (PN) order beyond the leading-order effect. For black holes maximally spinning this corresponds to 2.5PN order. Our result for the equations of motion essentially confirms the previous result by Tagoshi, Ohashi and Owen. We also compute the spin-orbit effects up to 2.5PN order in the conserved (Noetherian) integrals of motion, namely the energy, the total angular momentum, the linear momentum and the center-of-mass integral. We obtain the spin precession equations at 1PN order beyond the leading term, as well. Those results will be used in a future paper to derive the time evolution of the binary orbital phase, providing more accurate templates for LIGO-Virgo-LISA type interferometric detectors.

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background 2 method 1

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gr-qc 2 hep-th 2

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UNVERDICTED 4

representative citing papers

Generalized Carter & R\"udiger Constants of $\sqrt{\text{Kerr}}$

gr-qc · 2026-02-21 · unverdicted · novelty 7.0

Generalized Carter and Rüdiger constants for spinning charged probes in √Kerr backgrounds exist only for Wilson coefficients matching spin-exponentiated effective Compton amplitudes up to second order in spin.

Post-Newtonian Theory for Gravitational Waves

gr-qc · 2013-10-06 · unverdicted · novelty 2.0

A review of the MPM-PN approximation scheme that yields equations of motion to 4PN order and gravitational waveforms and fluxes to 4.5PN order for compact binary systems.

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