# Detectability of torsion gravity via galaxy clustering and cosmic shear measurements

@article{Camera2014DetectabilityOT, title={Detectability of torsion gravity via galaxy clustering and cosmic shear measurements}, author={Stefano Camera and Vincenzo F. Cardone and Ninfa Radicella}, journal={Physical Review D}, year={2014}, volume={89}, pages={083520} }

Alterations of the gravity Lagrangian introduced in modified torsion gravity theories---also referred to as $f(T)$ gravity---allows for an accelerated expansion in a matter dominated Universe. In this framework, the cosmic speed up is driven by an effective `torsion fluid'. Besides the background evolution of the Universe, structure formation is also modified because of a time dependent effective gravitational constant. Here, we investigate the imprints of $f(T)$ gravity on galaxy clustering…

## 34 Citations

Toward a concordance teleparallel Cosmology I: Background Dynamics

- Physics
- 2020

Assuming the universe to be spatially flat with homogeneous and isotropic background, we study the cosmological viability of the infrared corrected $f(T)=T e^{\beta T_0/T}$ teleparallel gravity in…

Toward a concordance teleparallel cosmology. Part I. Background dynamics

- PhysicsJournal of Cosmology and Astroparticle Physics
- 2021

Assuming a spatially flat universe, we study the cosmological viability of an infrared corrected teleparallel gravity model, which accounts for late acceleration by weakening gravity at later times…

Dynamical systems approach and generic properties of $f(T)$ cosmology

- Physics
- 2017

We present a systematic analysis of the dynamics of flat Friedmann-Lema\^{i}tre-Robertson-Walker cosmological models with radiation and dust matter in generalized teleparallel $f(T)$ gravity. We show…

Weakly dynamic dark energy via metric-scalar couplings with torsion

- Physics
- 2016

We study the dynamical aspects of dark energy in the context of a non-minimally coupled scalar field with curvature and torsion. Whereas the scalar field acts as the source of the trace mode of…

Can
f(T)
gravity resolve the
H0
tension?

- Physics
- 2020

Motivated by the discrepancy in measurements of H0 between local and global probes, we investigate whether teleparallel gravities could be a better model to describe the present-day observations or…

Repulsive gravitational force and quintessence field in f(T) gravity: How anisotropic compact stars in strong energy condition behave

- Physics
- 2021

Recently literature is found to be enriched with studies related to anisotropic behaviors of different compact stars in the background of [Formula: see text] gravity in different energy conditions.…

FRW in quadratic form of f(T) gravitational theories

- Mathematics, Physics
- 2015

We derive asymptote solution of a homogeneous and isotropic universe governed by the quadratic form of the field equation of f(T) gravity. We explain how the higher order of the torsion can provide…

Cosmological dark sector from a mimetic–metric–torsion perspective

- MathematicsInternational Journal of Modern Physics D
- 2019

We generalize the basic theory of mimetic gravity by extending its purview to the general metric-compatible geometries that admit torsion, in addition to curvature. This essentially implies…

Toward a concordance teleparallel cosmology. Part II. Linear perturbation

- PhysicsJournal of Cosmology and Astroparticle Physics
- 2021

Late time cosmic acceleration may be achieved by modifying gravity on large scales. This should also have consequences on the evolution of perturbations. We thus extend our study of exponential…

Study of anisotropic compact stars with quintessence field and modified chaplygin gas in f(T) gravity

- PhysicsThe European Physical Journal C
- 2019

In this work, we get an idea of the existence of compact stars in the background of f(T) modified gravity where T is a scalar torsion. We acquire the equations of motion using anisotropic property…

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