Role of particle diffusion in shaping the gravitational wave signal from neutron star inspirals
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866916286856953856 |
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| author | Kantor, Elena M. Gusakov, Mikhail E. Kraav, Kirill Y. |
| author_facet | Kantor, Elena M. Gusakov, Mikhail E. Kraav, Kirill Y. |
| contents | It is commonly believed that the dissipative properties of superdense matter play a negligible role in modeling gravitational waveforms from neutron star inspirals. This study aims to investigate whether this presumption holds true for the often neglected dissipative process associated with particle diffusion in superconducting neutron stars. As we demonstrate, diffusion effects can significantly impact the phase of the gravitational wave from the inspiral, manifesting at a magnitude of a few tens of milliradians at large orbit separations, equivalent to orbital frequencies of a few hertz. We also find that dissipation resulting from particle diffusion might increase the neutron star's temperature to approximately $10^7\rm K$ during the inspiral. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_00729 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Role of particle diffusion in shaping the gravitational wave signal from neutron star inspirals Kantor, Elena M. Gusakov, Mikhail E. Kraav, Kirill Y. High Energy Astrophysical Phenomena Solar and Stellar Astrophysics General Relativity and Quantum Cosmology Nuclear Theory It is commonly believed that the dissipative properties of superdense matter play a negligible role in modeling gravitational waveforms from neutron star inspirals. This study aims to investigate whether this presumption holds true for the often neglected dissipative process associated with particle diffusion in superconducting neutron stars. As we demonstrate, diffusion effects can significantly impact the phase of the gravitational wave from the inspiral, manifesting at a magnitude of a few tens of milliradians at large orbit separations, equivalent to orbital frequencies of a few hertz. We also find that dissipation resulting from particle diffusion might increase the neutron star's temperature to approximately $10^7\rm K$ during the inspiral. |
| title | Role of particle diffusion in shaping the gravitational wave signal from neutron star inspirals |
| topic | High Energy Astrophysical Phenomena Solar and Stellar Astrophysics General Relativity and Quantum Cosmology Nuclear Theory |
| url | https://arxiv.org/abs/2406.00729 |