Search Results for author: Amare Abebe

Found 1 papers, 0 papers with code

Scalar perturbations in $f(T)$ gravity using the $1+3$ covariant approach

no code implementations8 Jul 2019 Shambel Sahlu, Joseph Ntahompagaze, Amare Abebe, Alvaro de la Cruz-Dombriz, David F. Mota

After a review of the background, gravitational field equations of $f(T)$ gravity and the introduction of the covariant perturbation variables, the usual scalar and harmonic decomposition have been performed, and the analysis of the growth of the density contrasts in the quasi-static approximation for two non-interacting fluids scenarios, namely torsion-dust and torsion-radiation mixtures is presented for the generic $f(T)$ gravity theory.

General Relativity and Quantum Cosmology

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