Cooling Process of White Dwarf Stars in Palatini f(R) Gravity

被引：7
作者：
Kalita, Surajit [1 ]
Sarmah, Lupamudra [2 ,3 ]
Wojnar, Aneta [4 ]
机构：
[1] Univ Cape Town, Dept Math & Appl Math, High Energy Phys Cosmol & Astrophys Theory HEPCAT, ZA-7700 Cape Town, South Africa
[2] Indian Inst Astrophys, Bengaluru 560034, India
[3] Indian Inst Technol BHU, Dept Phys, Varanasi 221005, India
[4] Univ Tartu, Inst Phys, Lab Theoret Phys, W Ostwaldi 1, EE-50411 Tartu, Estonia
来源：
UNIVERSE | 2022年 / 8卷 / 12期
基金：
新加坡国家研究基金会;
关键词：
cooling process; white dwarf; modified gravity; Chandrasekhar limit; PARTICLE PHYSICS; DARK-MATTER; UNIVERSE;
D O I：
10.3390/universe8120647
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A simple cooling model of white dwarf stars is re-analyzed in Palatini f(R) gravity. Modified gravity affects the white dwarf structures and consequently their ages. We find that the resulting super-Chandrasekhar white dwarfs need more time to cool down than sub-Chandrasekhar ones, or when compared to the Newtonian models.
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收藏
页数：13
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