Interiors of Terrestrial Planets in Metric-Affine Gravity

被引：12

作者：

Kozak, Aleksander ^{[1
]}

Wojnar, Aneta ^{[2
]}

机构：

[1] Univ Wroclaw, Inst Theoret Phys, Pl Maxa Borna 9, PL-50206 Wroclaw, Poland

[2] Univ Tartu, Inst Phys, Lab Theoret Phys, W Ostwaldi 1, EE-50411 Tartu, Estonia

来源：

UNIVERSE | 2022年 / 8卷 / 01期

关键词：

modified gravity; Ricci-based gravity; Palatini gravity; exoplanets; planet's interior; EINSTEIN EQUATIONS; EARTH; UNIVERSALITY; TOMOGRAPHY;

D O I：

10.3390/universe8010003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using a semiempirical approach, we show that modified gravity affects the internal properties of terrestrial planets, such as their physical characteristics of a core, mantle, and core-mantle boundary. We also apply these findings for modeling a two-layer exoplanet in Palatini f(R) gravity.

引用

页数：11

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