Quasiradial oscillations of rotating hybrid neutron stars
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866917523520225280 |
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| author | Zheng, Zi-Yue Sun, Ting-Ting Chen, Huan Zheng, Xiao-Ping Wei, Jin-Biao Burgio, G. F. Schulze, H. -J. |
| author_facet | Zheng, Zi-Yue Sun, Ting-Ting Chen, Huan Zheng, Xiao-Ping Wei, Jin-Biao Burgio, G. F. Schulze, H. -J. |
| contents | We investigate fundamental quasiradial oscillations in slow-rotation approximation of pure and hybrid neutron stars, employing equations of state of nuclear matter from Brueckner-Hartree-Fock theory or the relativistic mean field model, and of quark matter from the Dyson-Schwinger quark model, performing a Gibbs construction for the mixed phase in hybrid stars. Characteristic differences between neutron-star and hybrid-star fundamental quasiradial oscillation frequencies during spin-down are pointed out. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_23433 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Quasiradial oscillations of rotating hybrid neutron stars Zheng, Zi-Yue Sun, Ting-Ting Chen, Huan Zheng, Xiao-Ping Wei, Jin-Biao Burgio, G. F. Schulze, H. -J. Nuclear Theory High Energy Astrophysical Phenomena We investigate fundamental quasiradial oscillations in slow-rotation approximation of pure and hybrid neutron stars, employing equations of state of nuclear matter from Brueckner-Hartree-Fock theory or the relativistic mean field model, and of quark matter from the Dyson-Schwinger quark model, performing a Gibbs construction for the mixed phase in hybrid stars. Characteristic differences between neutron-star and hybrid-star fundamental quasiradial oscillation frequencies during spin-down are pointed out. |
| title | Quasiradial oscillations of rotating hybrid neutron stars |
| topic | Nuclear Theory High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2605.23433 |