Cooling process of substellar objects in scalar-tensor gravity
Aleksander Kozak, K\"art Soieva, Aneta Wojnar
TL;DR
This paper investigates how scalar-tensor gravity theories, specifically DHOST models, influence the cooling processes and age estimations of brown dwarf stars and giant planets.
Contribution
It extends previous studies by analyzing the impact of DHOST theories on the thermal evolution of substellar objects.
Findings
Modified gravity significantly affects the age estimates of brown dwarfs.
The effect of DHOST theories on cooling is more pronounced than in standard gravity.
Results confirm previous findings about gravity's influence on substellar object evolution.
Abstract
Cooling processes of brown dwarf stars and giant planets are studied in the framework of DHOST theories. We confirm the previous results in the field that the effect of modified gravity on substellar objects' age is pronounced the most.
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Taxonomy
TopicsCosmology and Gravitation Theories · Astro and Planetary Science · Stellar, planetary, and galactic studies