Large Gravitational Wave Phase Shifts from Strong 3-body Interactions in Dense Stellar Clusters
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arXiv
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| Autori principali: | , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866912844734267392 |
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| author | Hendriks, Kai Atallah, Dany Martinez, Miguel Zevin, Michael Zwick, Lorenz Trani, Alessandro A. Saini, Pankaj Takátsy, János Samsing, Johan |
| author_facet | Hendriks, Kai Atallah, Dany Martinez, Miguel Zevin, Michael Zwick, Lorenz Trani, Alessandro A. Saini, Pankaj Takátsy, János Samsing, Johan |
| contents | The phase evolution of gravitational waves (GWs) can be modulated by the astrophysical environment surrounding the source, which provides a probe for the origin of individual binary black holes (BBHs) using GWs alone. We here study the evolving phase of the GW waveform derived from a large set of simulations of BBH mergers forming in dense stellar clusters through binary-single interactions. We uncover that a well-defined fraction of the assembled eccentric GW sources will have a notable GW phase shift induced by the remaining third object. The magnitude of the GW phase shift often exceeds conservative analytical estimates due to strong 3-body interactions, which occasionally results in GW sources with clearly shifted and perturbed GW waveforms. This opens up promising opportunities for current and future GW detectors, as observing such a phase shift can identify the formation environment of a BBH, as well as help to characterise the local properties of its surrounding environment. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_08572 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Large Gravitational Wave Phase Shifts from Strong 3-body Interactions in Dense Stellar Clusters Hendriks, Kai Atallah, Dany Martinez, Miguel Zevin, Michael Zwick, Lorenz Trani, Alessandro A. Saini, Pankaj Takátsy, János Samsing, Johan High Energy Astrophysical Phenomena The phase evolution of gravitational waves (GWs) can be modulated by the astrophysical environment surrounding the source, which provides a probe for the origin of individual binary black holes (BBHs) using GWs alone. We here study the evolving phase of the GW waveform derived from a large set of simulations of BBH mergers forming in dense stellar clusters through binary-single interactions. We uncover that a well-defined fraction of the assembled eccentric GW sources will have a notable GW phase shift induced by the remaining third object. The magnitude of the GW phase shift often exceeds conservative analytical estimates due to strong 3-body interactions, which occasionally results in GW sources with clearly shifted and perturbed GW waveforms. This opens up promising opportunities for current and future GW detectors, as observing such a phase shift can identify the formation environment of a BBH, as well as help to characterise the local properties of its surrounding environment. |
| title | Large Gravitational Wave Phase Shifts from Strong 3-body Interactions in Dense Stellar Clusters |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2411.08572 |