Disks, spikes, and clouds: distinguishing environmental effects on BBH gravitational waveforms
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arXiv
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| Format: | Preprint |
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2022
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| _version_ | 1866914082734473216 |
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| author | Cole, Philippa S. Bertone, Gianfranco Coogan, Adam Gaggero, Daniele Karydas, Theophanes Kavanagh, Bradley J. Spieksma, Thomas F. M. Tomaselli, Giovanni Maria |
| author_facet | Cole, Philippa S. Bertone, Gianfranco Coogan, Adam Gaggero, Daniele Karydas, Theophanes Kavanagh, Bradley J. Spieksma, Thomas F. M. Tomaselli, Giovanni Maria |
| contents | Future gravitational wave interferometers such as LISA, Taiji, DECIGO, and TianQin, will enable precision studies of the environment surrounding black holes. In this paper, we study intermediate and extreme mass ratio binary black hole inspirals, and consider three possible environments surrounding the primary black hole: accretion disks, dark matter spikes, and clouds of ultra-light scalar fields, also known as gravitational atoms. We present a Bayesian analysis of the detectability and measurability of these three environments. Focusing for concreteness on the case of a detection with LISA, we show that the characteristic imprint they leave on the gravitational waveform would allow us to identify the environment that generated the signal, and to accurately reconstruct its model parameters. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2211_01362 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Disks, spikes, and clouds: distinguishing environmental effects on BBH gravitational waveforms Cole, Philippa S. Bertone, Gianfranco Coogan, Adam Gaggero, Daniele Karydas, Theophanes Kavanagh, Bradley J. Spieksma, Thomas F. M. Tomaselli, Giovanni Maria General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics Future gravitational wave interferometers such as LISA, Taiji, DECIGO, and TianQin, will enable precision studies of the environment surrounding black holes. In this paper, we study intermediate and extreme mass ratio binary black hole inspirals, and consider three possible environments surrounding the primary black hole: accretion disks, dark matter spikes, and clouds of ultra-light scalar fields, also known as gravitational atoms. We present a Bayesian analysis of the detectability and measurability of these three environments. Focusing for concreteness on the case of a detection with LISA, we show that the characteristic imprint they leave on the gravitational waveform would allow us to identify the environment that generated the signal, and to accurately reconstruct its model parameters. |
| title | Disks, spikes, and clouds: distinguishing environmental effects on BBH gravitational waveforms |
| topic | General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics |
| url | https://arxiv.org/abs/2211.01362 |