Gravitational wave from extreme mass-ratio inspirals as a probe of extra dimensions
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arXiv
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| Format: | Preprint |
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2022
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| author | Rahman, Mostafizur Kumar, Shailesh Bhattacharyya, Arpan |
| author_facet | Rahman, Mostafizur Kumar, Shailesh Bhattacharyya, Arpan |
| contents | The field of gravitational waves is rapidly progressing due to the noticeable advancements in the sensitivity of gravitational-wave detectors that has enabled the detection prospects of binary black hole mergers. Extreme mass ratio inspiral (EMRI) is one of the most compelling and captivating binary systems in this direction, with the detection possibility by the future space-based gravitational wave detector. In this article, we consider an EMRI system where the primary or the central object is a spherically symmetric static braneworld black hole that carries a \textit{tidal charge} $Q$. We estimate the effect of the tidal charge on total gravitational wave flux and orbital phase due to a non-spinning secondary inspiralling the primary. We further highlight the observational implications of the tidal charge in EMRI waveforms. We show that LISA (Laser Interferometer Space Antenna) observations can put a much stronger constraint on this parameter than black hole shadow and ground-based gravitational wave observations, which can potentially probe the existence of extra dimensions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2212_01404 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Gravitational wave from extreme mass-ratio inspirals as a probe of extra dimensions Rahman, Mostafizur Kumar, Shailesh Bhattacharyya, Arpan General Relativity and Quantum Cosmology The field of gravitational waves is rapidly progressing due to the noticeable advancements in the sensitivity of gravitational-wave detectors that has enabled the detection prospects of binary black hole mergers. Extreme mass ratio inspiral (EMRI) is one of the most compelling and captivating binary systems in this direction, with the detection possibility by the future space-based gravitational wave detector. In this article, we consider an EMRI system where the primary or the central object is a spherically symmetric static braneworld black hole that carries a \textit{tidal charge} $Q$. We estimate the effect of the tidal charge on total gravitational wave flux and orbital phase due to a non-spinning secondary inspiralling the primary. We further highlight the observational implications of the tidal charge in EMRI waveforms. We show that LISA (Laser Interferometer Space Antenna) observations can put a much stronger constraint on this parameter than black hole shadow and ground-based gravitational wave observations, which can potentially probe the existence of extra dimensions. |
| title | Gravitational wave from extreme mass-ratio inspirals as a probe of extra dimensions |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2212.01404 |