| Issue |
EPL
Volume 78, Number 6, June 2007
|
|
|---|---|---|
| Article Number | 60005 | |
| Number of page(s) | 6 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/78/60005 | |
| Published online | 29 May 2007 | |
Accurate time-domain gravitational waveforms for extreme-mass-ratio binaries
1
Department of Physics and Center for Space Plasma and Aeronomic Research, University of Alabama in Huntsville Huntsville, AL 35899, USA
2
University of Massachusetts at Dartmouth - N. Dartmouth, MA 02747, USA
Received:
13
February
2007
Accepted:
4
May
2007
The accuracy of time-domain solutions of the inhomogeneous Teukolsky equation is improved significantly. Comparing energy fluxes in gravitational waves with highly accurate frequency-domain results for circular equatorial orbits in Schwarzschild and Kerr, we find agreement to within 1% or better, which may be even further improved. We apply our method to orbits for which frequency-domain calculations have a relative disadvantage, specifically high-eccentricity (elliptical and parabolic) “zoom-whirl” orbits, and find the energy fluxes, waveforms, and characteristic strain in gravitational waves.
PACS: 04.30.Db – Wave generation and sources / 04.25.-g – Approximation methods; equations of motion / 04.70.-s – Physics of black holes
© Europhysics Letters Association, 2007
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