Modeling Extreme Mass Ratio Inspirals within the Effective-One-Body Approach

Yunes, Nicolas; Buonanno, Alessandra; Hughes, Scott A.; Miller, M. Coleman; Pan, Yi

doi:10.1103/PhysRevLett.104.091102

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Modeling Extreme Mass Ratio Inspirals within the Effective-One-Body Approach

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Buonanno, Alessandra
Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
Maryland Center for Fundamental Physics, Department of Physics, University of Maryland;

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Citation

Yunes, N., Buonanno, A., Hughes, S. A., Miller, M. C., & Pan, Y. (2010). Modeling Extreme Mass Ratio Inspirals within the Effective-One-Body Approach. Phys.Rev.Lett.104:091102,2010, 104: 091102. doi:10.1103/PhysRevLett.104.091102.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0015-8488-6

Abstract

We present the first models of extreme-mass-ratio inspirals within the effective-one-body (EOB) formalism, focusing on quasi-circular orbits into non-rotating black holes. We show that the phase difference and (Newtonian normalized) amplitude difference between analytical EOB and numerical Teukolsky-based gravitational waveforms can be reduced to less than 10^(-1) rad and less than 2 x 10^(-3), respectively, after a 2-year evolution. The inclusion of post-Newtonian self-force terms in the EOB approach leads to a phase disagreement of roughly 6-27 rad after a 2-year evolution. Such inclusion could also allow for the EOB modeling of waveforms from intermediate-mass ratio, quasi-circular inspirals.