Do black holes remember what they are made of?
Fuente:
arXiv
Gespeichert in:
| Hauptverfasser: | , , , , , , |
|---|---|
| Format: | Preprint |
| Veröffentlicht: |
2023
|
| Schlagworte: | |
| Online-Zugang: | |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| _version_ | 1866913388162973696 |
|---|---|
| author | Bandyopadhyay, Harshraj Radice, David Prakash, Aviral Dhani, Arnab Logoteta, Domenico Perego, Albino Kashyap, Rahul |
| author_facet | Bandyopadhyay, Harshraj Radice, David Prakash, Aviral Dhani, Arnab Logoteta, Domenico Perego, Albino Kashyap, Rahul |
| contents | We study the ringdown signal of black holes formed in prompt-collapse binary neutron star mergers. We analyze data from $47$ numerical relativity simulations. We show that the $(\ell=2,m=2)$ and $(\ell=2,m=1)$ multipoles of the gravitational wave signal are well fitted by decaying damped exponentials, as predicted by black-hole perturbation theory. We show that the ratio of the amplitude in the two modes depends on the progenitor binary mass ratio $q$ and reduced tidal parameter $\tildeΛ$. Unfortunately, the numerical uncertainty in our data is too large to fully quantify this dependency. If confirmed, these results will enable novel tests of general relativity in the presence of matter with next-generation gravitational-wave observatories. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_11620 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Do black holes remember what they are made of? Bandyopadhyay, Harshraj Radice, David Prakash, Aviral Dhani, Arnab Logoteta, Domenico Perego, Albino Kashyap, Rahul General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena We study the ringdown signal of black holes formed in prompt-collapse binary neutron star mergers. We analyze data from $47$ numerical relativity simulations. We show that the $(\ell=2,m=2)$ and $(\ell=2,m=1)$ multipoles of the gravitational wave signal are well fitted by decaying damped exponentials, as predicted by black-hole perturbation theory. We show that the ratio of the amplitude in the two modes depends on the progenitor binary mass ratio $q$ and reduced tidal parameter $\tildeΛ$. Unfortunately, the numerical uncertainty in our data is too large to fully quantify this dependency. If confirmed, these results will enable novel tests of general relativity in the presence of matter with next-generation gravitational-wave observatories. |
| title | Do black holes remember what they are made of? |
| topic | General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2312.11620 |