Matter density perturbations in Quadratic Gravity
gr-qc, astro-ph.CO
Submitted: 2026-09-24
Updated: 2026-09-24
Code: https://github.com/pedvoca/quadratic_cosmology
Terminology
Sources
- Modified Gravity and Cosmology
- Modified Gravity and Cosmology: An Update by the CANTATA Network
- In the Realm of the Hubble tension $-$ a Review of Solutions
- Extended Dark Energy analysis using DESI DR2 BAO measurements
- Analyzing the $H_0$ tension in $F(R)$ gravity models
- Testing f(R)-gravity models with DESI DR2 2025-BAO and other cosmological data
- Modified gravity interpretation of the evolving dark energy in light of DESI data
- Cosmological tensions in the era of precision cosmology: Insights from Tensions in Cosmology 2025
- Can $f(R)$ gravity relieve $H_0$ and $\sigma_8$ tensions?
- f(R) theories
- Cosmological implications of the Weyl geometric gravity theory
- Quadratic Gravity
- The Theorem of Ostrogradsky
- Fourth order gravity: equations, history, and applications to cosmology
- On the evolution of universes in quadratic theories of gravity
- Stable Isotropic Cosmological Singularities in Quadratic Gravity
- Stability of cosmological singularity-free solutions in quadratic gravity
- Gauges for quadratic gravity: the extended transverse gauge and the energy-momentum tensor of the massive spin-2 field
- Gauge-independent approach to inflation in quadratic gravity
- On Legacy of Starobinsky Inflation
Related papers
- Tests of General Relativity with Einstein Telescope
- Unitary quantum matter-bounce in a universe with a positive cosmological constant
- Quasi-pole quintessential inflation in metric-affine gravity
- Dynamical tidal response of neutron stars: From effective field theory to gravitational waveforms
- Limits of the Rastall--Einstein Equivalence: Matter-Action Compatibility, FLRW Dynamics, and Exceptional Sectors
- Boson star-black hole binaries: initial data and head-on collisions