Qualitative study of anisotropic Rastall cosmologies
Ashutosh Singh, Anirudh Pradhan
TL;DR
This paper analyzes anisotropic Rastall cosmologies using dynamical systems, identifying stable, accelerating, and isotropic solutions, and discusses phenomena like isotropization and bouncing in these models.
Contribution
It provides a qualitative dynamical analysis of anisotropic Rastall cosmologies, highlighting conditions for isotropization and stability not previously detailed.
Findings
Identification of stable de Sitter attractors
Conditions for isotropization in anisotropic models
Discussion of bouncing cosmological solutions
Abstract
We perform dynamical analysis of anisotropic Rastall cosmologies and, in particular Kantowski-Sachs, locally rotationally symmetric (LRS) Bianchi I and LRS Bianchi III cosmologies. Using dynamical system techniques, a qualitative analysis of cosmological equations yield physically interesting cases which are in agreement with observations such as de Sitter, accelerating, stable attractors are isotropic. Features such as isotropization and cosmological bounce are discussed in detail.
Peer Reviews
No public reviews on file for this paper yet. If you reviewed it on a platform where reviews are public (OpenReview, ICLR, NeurIPS, ICML), you can paste yours below so the community can read it here.
Videos
No videos yet. Explain this paper in a talk, walkthrough, or lecture? Add one.