Polytropic stars in Palatini gravity

被引：30
|
作者：
Wojnar, Aneta [1 ,2 ,3 ]
机构：
[1] Marie Curie Sklodowska Univ, Inst Phys, Pl Marii Curie Sklodowskiej 1, PL-20031 Lublin, Poland
[2] Univ Fed Espirito Santo, Nucleo Cosmo, BR-29075910 Vitoria, ES, Brazil
[3] Univ Fed Espirito Santo, PPGCosmo, BR-29075910 Vitoria, ES, Brazil
来源：
EUROPEAN PHYSICAL JOURNAL C | 2019年 / 79卷 / 01期
关键词：
EXTENDED THEORIES; ENERGY; COSMOLOGY; STABILITY;
D O I：
10.1140/epjc/s10052-019-6555-4
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We have derived a modified Lane-Emden equation for the Starobinsky model in Palatini gravity which is numerically solvable. Comparing the results to the ones provided by General Relativity we observe a significant difference depending on the theory parameter for the M - R relations.
引用
收藏
页数：9
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