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https://hdl.handle.net/10316/115131
Título: | Constraining a relativistic mean field model using neutron star mass–radius measurements I: nucleonic models | Autor: | Huang, Chun Raaijmakers, Geert Watts, Anna L Tolos, Laura Providência, Constança |
Palavras-chave: | dense matter; equation of state; stars: neutron; X-rays: general | Data: | 2024 | Editora: | Oxford University Press | Projeto: | info:eu-repo/grantAgreement/FCT/3599-PPCDT/2022.06460.PTDC/PT UIDB/04564/2020 UIDP/04564/2020 |
Título da revista, periódico, livro ou evento: | Monthly Notices of the Royal Astronomical Society | Volume: | 529 | Número: | 4 | Resumo: | Measurements of neutron star mass and radius or tidal deformability deliver unique insight into the equation of state (EOS) of cold dense matter. EOS inference is very often done using generalized parametric or non-parametric models, which deliver no information on composition. In this paper, we consider a microscopic nuclear EOS model based on a field theoretical approach. We show that current measurements from NICER and gravitational wave observations constrain primarily the symmetric nuclear matter EOS. We then explore what could be delivered by measurements of mass and radius at the level anticipated for future large-area X-ray timing telescopes. These should be able to place very strong limits on the symmetric nuclear matter EOS, in addition to constraining the nuclear symmetry energy that determines the proton fraction inside the neutron star. | URI: | https://hdl.handle.net/10316/115131 | ISSN: | 0035-8711 1365-2966 |
DOI: | 10.1093/mnras/stae844 | Direitos: | openAccess |
Aparece nas coleções: | I&D CFis - Artigos em Revistas Internacionais FCTUC Física - Artigos em Revistas Internacionais |
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stae844.pdf | 2.91 MB | Adobe PDF | Ver/Abrir |
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