The DOI matches its Crossref record; 97 of the 97 references it cites were found in a registry or an index.
Gravitational waves from scattering of stellar-mass black holes in galactic nuclei
Open accessAbstract
Stellar mass black holes (BHs) are expected to segregate and form a steep density cusp around supermassive black holes (SMBHs) in galactic nuclei. We follow the evolution of a multi-mass system of BHs and stars by numerically integrating the Fokker-Planck energy diffusion equations for a variety of BH mass distributions. We find that the BHs "self-segregate'', and that the rarest, most massive BHs dominate the scattering rate closest to the SMBH (< 0.1 pc). BH--BH binaries form out of gravitational wave emission during BH encounters. We find that the expected rate of BH coalescence events detectable by Advanced LIGO is ~1 - 100/yr, depending on the initial mass function of stars in galactic nuclei and the mass of the most massive BHs. We find that the actual merger rate is likely ~10 times larger than this due to the intrinsic scatter of stellar densities in many different galaxies. The BH binaries that form this way in galactic nuclei have significant eccentricities as they enter the LIGO band (90% with e > 0.9), and are therefore distinguishable from other binaries, which circularise before becoming detectable. We also show that eccentric mergers can be detected to larger distances and greater BH masses than circular mergers, up to ~ 700 solar masses. Future ground-based gravitational wave observatories will be able to constrain both the mass function of BHs and stars in galactic nuclei.
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Cites
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Cited by
Bird, S., Cholis, I., Muñoz, J. B., Ali-Haïmoud, Y., Kamionkowski, M., Kovetz, E. D., Raccanelli, A., & Riess, A. G. (2016) · Physical Review Letters · doi:10.1103/physrevlett.116.201301 · Cited by 1,226
Primordial black holes—perspectives in gravitational wave astronomy
Sasaki, M., Suyama, T., Tanaka, T., & Yokoyama, S. (2018) · Classical and Quantum Gravity · doi:10.1088/1361-6382/aaa7b4 · Cited by 894
Abbott, R., Abbott, T. D., Abraham, S., Acernese, F., Ackley, K., Adams, A., Adams, C., Adhikari, R. X., Adya, V. B., Affeldt, C., et al. (2021) · The Astrophysical Journal Letters · doi:10.3847/2041-8213/abe949 · Cited by 889
ASTROPHYSICAL IMPLICATIONS OF THE BINARY BLACK HOLE MERGER GW150914
Abbott, B. P., Abbott, R., Abbott, T. D., Abernathy, M. R., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., et al. (2016) · The Astrophysical Journal Letters · doi:10.3847/2041-8205/818/2/l22 · Cited by 816
Black holes, gravitational waves and fundamental physics: a roadmap
Askar, A., Belczynski, C., Bertone, G., Bon, E., Blas, D., Brito, R., Bulik, T., Burrage, C., Byrnes, C. T., Caprini, C., et al. (2019) · Classical and Quantum Gravity · doi:10.1088/1361-6382/ab0587 · Cited by 744
Self-citation
Metadata
- Authors
- O'Leary, R. M., Kocsis, B., & Loeb, A.
- Venue
- Monthly Notices of the Royal Astronomical Society
- Publisher
- Oxford University Press (OUP)
- Published
- 2009-06-01
- Volume
- 395
- Issue
- 4
- Pages
- 2127-2146
- ISSN
- 0035-8711 (ISSN-L)
- 1365-2966
- OpenAlex
- W2157908049
- Cited by
- 506
- References
- 97
- FWCI
- 6.34
- Type
- journal article
- Language
- en
- Open access
- green
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