Cosmological anatomy of interacting dark energy

arXiv:2609.18288 · astro-ph.CO, gr-qc, hep-ph, hep-th · Submitted 2026-09-16 · Read on arXiv

astro-ph.CO, gr-qc, hep-ph, hep-th

Submitted: 2026-09-16

Updated: 2026-09-16

Comments: 32 pages, many sub-figures and sub-panels arranged in 11 figures, many references. CLASS_IDE publicly available at https://github.com/msabogal/CLASS_IDE

Code: https://github.com/msabogal/CLASS_IDE

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Matter Power Spectrum — 16× in this paper · explained in 2 episodes
• Clustering — 10× in this paper · explained in 2 episodes
• Degeneracy — 8× in this paper · explained in 3 episodes
• Interacting Dark Energy — 7× in this paper
• Core — 4× in this paper · explained in 2 episodes
• Fidelity — 4× in this paper · explained in 2 episodes
• Cosmic Microwave Background — 3× in this paper
• Hubble Tension — 3× in this paper · explained in 9 episodes
• Momentum transfer — 3× in this paper · explained in 2 episodes
• Quintessence — 2× in this paper · explained in 2 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Baryon Acoustic Oscillation — 1× in this paper
• Baryonic Feedback — 1× in this paper · explained in 3 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Boltzmann Equation — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Cooperation — 1× in this paper · explained in 2 episodes
• Dark Energy Spectroscopic Instrument — 1× in this paper
• Decoupling — 1× in this paper · explained in 2 episodes
• Equation of State (EoS) — 1× in this paper · explained in 4 episodes
• Large-Scale Structure — 1× in this paper

Sources

• Quintessence and the Rest of the World
• Dark Matter and Dark Energy Interactions: Theoretical Challenges, Cosmological Implications and Observational Signatures
• Further understanding the interaction between dark energy and dark matter: current status and future directions
• Quantum Field Theory of Interacting Dark Matter/Dark Energy: Dark Monodromies
• Exacerbating the cosmological constant problem with interacting dark energy
• Coupled Quintessence
• Coupled quintessence and the coincidence problem
• Interacting Dark Matter and Dark Energy
• The Parameterized Post-Friedmannian Framework for Interacting Dark Energy Theories
• Testing models of vacuum energy interacting with cold dark matter
• Interaction in the dark sector
• Fitting and forecasting non-linear coupled dark energy
• New constraints on interacting dark energy from cosmic chronometers
• Mimetic gravity: a review of recent developments and applications to cosmology and astrophysics
• Probing the interaction between dark energy and dark matter with the parametrized post-Friedmann approach
• Large-scale Stability and Astronomical Constraints for Coupled Dark-Energy Models
• Dark energy with a gradient coupling to the dark matter fluid: cosmological dynamics and structure formation
• Observational constraints on dark matter-dark energy scattering cross section
• Probing the sign-changeable interaction between dark energy and dark matter with current observations
• Cosmological dynamics of mimetic gravity

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