Constraining chameleon models with cosmology

L Lombriser - Annalen der Physik, 2014 - Wiley Online Library
Chameleon fields may modify gravity on cluster scales while recovering general relativity
locally. This article reviews signatures of chameleon modifications in the nonlinear …

Cosmological probes of structure growth and tests of gravity

J Hou, J Bautista, M Berti, C Cuesta-Lazaro… - Universe, 2023 - mdpi.com
The current standard cosmological model is constructed within the framework of general
relativity with a cosmological constant Λ, which is often associated with dark energy, and …

Cosmological gravity probes: Connecting recent theoretical developments to forthcoming observations

S Arai, K Aoki, Y Chinone, R Kimura… - … of Theoretical and …, 2023 - academic.oup.com
Since the discovery of the accelerated expansion of the present universe, significant
theoretical developments have been made in the area of modified gravity. In the meantime …

Constraining models of f (R) gravity with Planck and WiggleZ power spectrum data

J Dossett, B Hu, D Parkinson - Journal of Cosmology and …, 2014 - iopscience.iop.org
In order to explain cosmic acceleration without invoking``dark''physics, we consider f (R)
modified gravity models, which replace the standard Einstein-Hilbert action in General …

Halo modelling in chameleon theories

L Lombriser, K Koyama, B Li - Journal of Cosmology and …, 2014 - iopscience.iop.org
We analyse modelling techniques for the large-scale structure formed in scalar-tensor
theories of constant Brans-Dicke parameter which match the concordance model …

Non-Gaussian Minkowski functionals and extrema counts in redshift space

S Codis, C Pichon, D Pogosyan… - Monthly Notices of …, 2013 - academic.oup.com
In the context of upcoming large-scale structure surveys such as Euclid, it is of prime
importance to quantify the effect of peculiar velocities on geometric probes. Hence, the …

Simulating MOS science on the ELT: Lyα forest tomography

J Japelj, C Laigle, M Puech, C Pichon… - Astronomy & …, 2019 - aanda.org
Mapping the large-scale structure through cosmic time has numerous applications in studies
of cosmology and galaxy evolution. At z≳ 2, the structure can be traced by the neutral …

Parametrized modified gravity constraints after Planck

B Hu, M Liguori, N Bartolo, S Matarrese - Physical Review D—Particles, Fields …, 2013 - APS
We constrain f (R) and chameleon-type modified gravity in the framework of the Berstchinger-
Zukin parametrization using the recently released Planck data, including both the cosmic …

New probe of departures from general relativity using Minkowski functionals

W Fang, B Li, GB Zhao - Physical review letters, 2017 - APS
The morphological properties of the large scale structure of the Universe can be fully
described by four Minkowski functionals (MFs), which provide important complementary …

Using the topology of large-scale structure in the WiggleZ Dark Energy Survey as a cosmological standard ruler

C Blake, JB James, GB Poole - Monthly Notices of the Royal …, 2014 - academic.oup.com
We present new and accurate measurements of the cosmic distance–redshift relation,
spanning 0.2< z< 1, using the topology of large-scale structure as a cosmological standard …