Jupiter and jovian (exo)-planets in Palatini $f(\bar{R})$ gravity

Abstract

Some parts of the substellar evolution, such as fragmentation of a gaseous cloud and Jupiter-like planet's cooling, are demonstrated to be impacted by Palatini $f(\bar{R})$ gravity. Using simple models describing those processes we show that the opacity mass limit as well as cooling time of jovian planets differ in modified gravity.

13 pages, 2 figures, 2 tables

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• Giant planet formation in Palatini gravity
• Early evolution of fully convective stars in scalar-tensor gravity
• Cooling Process of White Dwarf Stars in Palatini $f(R)$ Gravity
• Cooling process of substellar objects in scalar-tensor gravity
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• Pre-main sequence evolution of low-mass stars in Eddington-inspired Born-Infeld gravity