Quantum kinetic theory of Jeans instability in non-minimal matter-curvature coupling gravity

Autor:	Gomes, Cláudio, Ourabah, Kamel
Rok vydání:	2022
Předmět:	General Relativity and Quantum Cosmology
Druh dokumentu:	Working Paper
DOI:	10.1140/epjc/s10052-023-11184-9
Popis:	We present a quantum treatment of the Jeans gravitational instability in the Newtonian limit of the non-minimal matter-curvature coupling gravity model. By relying on Wigner functions, allowing for the representation of quantum states in a classical phase space, we formulate a quantum kinetic treatment of this problem, generalizing the classical kinetic approach [C. Gomes, Eur. Phys. J. C 80, 633 (2020)]. This allows us to study the interplay between non-minimal matter-curvature coupling effects, quantum effects, and kinetic (finite-temperature) effects, on the Jeans criterion. We study in detail special cases of the model (general relativity, f(R) theories, pure non-minimal coupling, etc.) and confront the model with the observed stability of Bok globules. Comment: 13 pages, 2 figures, 3 plots
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2204.07871 Zobrazit plný text záznamu View this record from Arxiv