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Effective one-body approach to the relativistic two-body problem

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arxiv gr-qc/0010104 v3 pith:DHGWV6LC submitted 2000-10-27 gr-qc

classification gr-qc
keywords relativisticeffectiveproblembodygravitationalparticlereducedresults
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The relativistic 2-body problem, much like the non-relativistic one, is reduced to describing the motion of an effective particle in an external field. The concept of a relativistic reduced mass and effective particle energy introduced some 30 years ago to compute relativistic corrections to the Balmer formula in quantum electrodynamics, is shown to work equally well for classical electromagnetic and gravitational interaction. The results for the gravitational 2-body problem have more than academic interest since they apply to the study of binary pulsars that provide precision tests for general relativity. They are compared with recent results derived by other methods.

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  1. Records from the S-Matrix Marathon: Gravitational Physics from Scattering Amplitudes

    hep-th 2024-12 conditional

    A set of lecture notes explaining how classical gravitational observables emerge from the classical limit of scattering amplitudes, with applications to black hole physics and the three-body problem.

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