Forms of the Symmetry Energy Relevant to Neutron Stars
| العنوان: | Forms of the Symmetry Energy Relevant to Neutron Stars |
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| المؤلفون: | Ilona Bednarek, Jan Sładkowski, Jacek Syska |
| المصدر: | Symmetry Volume 12 Issue 6 Symmetry, Vol 12, Iss 898, p 898 (2020) |
| بيانات النشر: | Multidisciplinary Digital Publishing Institute, 2020. |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | Equation of state, Physics and Astronomy (miscellaneous), Proton, General Mathematics, dense nuclear matter, symmetry energy, 01 natural sciences, symbols.namesake, Theoretical physics, 0103 physical sciences, Computer Science (miscellaneous), Taylor series, Padé approximant, Limit (mathematics), neutron star, 010303 astronomy & astrophysics, Padé approximation, Physics, 010308 nuclear & particles physics, lcsh:Mathematics, lcsh:QA1-939, Nuclear matter, Symmetry (physics), Neutron star, Chemistry (miscellaneous), symbols |
| الوصف: | The symmetry energy is an invaluable tool for studying dense nuclear matter. Unfortunately, its definition is somewhat implicit, and therefore, phenomenological methods are necessary to describe experimental facts. This paper discusses the differences arising from the use of Taylor series expansion and Padé approximation to determine theoretically the symmetry energy and the possible consequences for neutron stars. For this purpose, a form of the nuclear matter equation of state that explicitly depends on the symmetry energy is used. The obtained results point out that the applied approximations lead to modifications of the equilibrium proton fractions and equation of state, especially in their high-density limit. However, this effect is small near the saturation density n 0 . |
| وصف الملف: | application/pdf |
| اللغة: | English |
| تدمد: | 2073-8994 |
| DOI: | 10.3390/sym12060898 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed196a8801348585c1a8dc44513b16ddTest |
| حقوق: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....ed196a8801348585c1a8dc44513b16dd |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 20738994 |
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| DOI: | 10.3390/sym12060898 |