Dynamical neutron-star tides: The signature of a mode resonance
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866913980691251200 |
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| author | Pnigouras, P. Andersson, N. Gittins, F. Counsell, A. R. |
| author_facet | Pnigouras, P. Andersson, N. Gittins, F. Counsell, A. R. |
| contents | Motivated by future opportunities in gravitational-wave astronomy and the ongoing effort to constrain physics under extreme conditions, we consider the signature of individual mode resonances excited during the inspiral of binary systems involving neutron stars. Specifically, we quantify how each resonant mode contributes to the effective (frequency-dependent) tidal deformability. The resonant solution is shown to be accurately represented by a new closed-form approximation, which sheds light on the involved phenomenology, and which should be useful for the development of precise waveform models and future parameter extraction efforts. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_06416 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Dynamical neutron-star tides: The signature of a mode resonance Pnigouras, P. Andersson, N. Gittins, F. Counsell, A. R. General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena Solar and Stellar Astrophysics Motivated by future opportunities in gravitational-wave astronomy and the ongoing effort to constrain physics under extreme conditions, we consider the signature of individual mode resonances excited during the inspiral of binary systems involving neutron stars. Specifically, we quantify how each resonant mode contributes to the effective (frequency-dependent) tidal deformability. The resonant solution is shown to be accurately represented by a new closed-form approximation, which sheds light on the involved phenomenology, and which should be useful for the development of precise waveform models and future parameter extraction efforts. |
| title | Dynamical neutron-star tides: The signature of a mode resonance |
| topic | General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena Solar and Stellar Astrophysics |
| url | https://arxiv.org/abs/2508.06416 |