Premerger phenomena in neutron-star binary coalescences
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866913600436699136 |
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| author | Suvorov, Arthur G. Kuan, Hao-Jui Kokkotas, Kostas D. |
| author_facet | Suvorov, Arthur G. Kuan, Hao-Jui Kokkotas, Kostas D. |
| contents | A variety of high-energy events can take place in the seconds leading up to a binary neutron-star merger. Mechanisms involving tidal resonances, electrodynamic interactions, or shocks in mass-loaded wakes have been proposed as instigators of these precursors. With a view of gravitational-wave and multimessenger astrophysics more broadly, premerger observations and theory are reviewed emphasising how gamma-ray precursors and dynamical tides can constrain the neutron-star equation of state, thermodynamic microphysics, and evolutionary pathways. Connections to post-merger phenomena, notably gamma-ray bursts, are discussed together with how magnetic fields, spin and misalignment, crustal elasticity, and stratification gradients impact observables. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_16283 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Premerger phenomena in neutron-star binary coalescences Suvorov, Arthur G. Kuan, Hao-Jui Kokkotas, Kostas D. High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology High Energy Physics - Experiment High Energy Physics - Phenomenology High Energy Physics - Theory A variety of high-energy events can take place in the seconds leading up to a binary neutron-star merger. Mechanisms involving tidal resonances, electrodynamic interactions, or shocks in mass-loaded wakes have been proposed as instigators of these precursors. With a view of gravitational-wave and multimessenger astrophysics more broadly, premerger observations and theory are reviewed emphasising how gamma-ray precursors and dynamical tides can constrain the neutron-star equation of state, thermodynamic microphysics, and evolutionary pathways. Connections to post-merger phenomena, notably gamma-ray bursts, are discussed together with how magnetic fields, spin and misalignment, crustal elasticity, and stratification gradients impact observables. |
| title | Premerger phenomena in neutron-star binary coalescences |
| topic | High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology High Energy Physics - Experiment High Energy Physics - Phenomenology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2408.16283 |