Qualitative study of anisotropic Rastall cosmologies
arXiv:2206.05415 · doi:10.1007/s12648-022-02406-z
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.
15 Pages, Indian J. Phys. accepted
References in corpus (7)
- Einstein and Rastall Theories of Gravitation in Comparison
- Constraining the Rastall parameters in static spacetimes with galaxy-scale strong gravitational lensing
- A connection between Rastall-type and f(R, T) gravities
- Emergent cosmic space in Rastall theory
- Gravitational Collapse in Rastall Gravity
- Cosmic dynamics and qualitative study of Rastall model with spatial curvature
- Kantowski-Sachs Universes sourced by a Skyrme fluid