Neutron star g-modes in the relativistic Cowling approximation
Fuente:
arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866915182684405760 |
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| author | Counsell, Rhys Gittins, Fabian Andersson, Nils Pnigouras, Pantelis |
| author_facet | Counsell, Rhys Gittins, Fabian Andersson, Nils Pnigouras, Pantelis |
| contents | Mature neutron stars are expected to exhibit gravity g-modes due to stratification caused by a varying matter composition in the high-density core. By employing the BSk equation of state family, and working within the relativistic Cowling approximation, we examine how subtle differences in the nuclear matter assumptions impact on the g-mode spectrum. We investigate the possibility of detecting individual g-mode resonances during a binary inspiral with current and next-generation ground-based detectors, like Cosmic Explorer and the Einstein Telescope. Our results suggest that these resonances may be within the reach of future detectors, especially for low mass stars with $M\lesssim1.4M_\odot$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_20178 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Neutron star g-modes in the relativistic Cowling approximation Counsell, Rhys Gittins, Fabian Andersson, Nils Pnigouras, Pantelis General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena Mature neutron stars are expected to exhibit gravity g-modes due to stratification caused by a varying matter composition in the high-density core. By employing the BSk equation of state family, and working within the relativistic Cowling approximation, we examine how subtle differences in the nuclear matter assumptions impact on the g-mode spectrum. We investigate the possibility of detecting individual g-mode resonances during a binary inspiral with current and next-generation ground-based detectors, like Cosmic Explorer and the Einstein Telescope. Our results suggest that these resonances may be within the reach of future detectors, especially for low mass stars with $M\lesssim1.4M_\odot$. |
| title | Neutron star g-modes in the relativistic Cowling approximation |
| topic | General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2409.20178 |