Probing the sound speed and clustering of dark energy

arXiv:2511.22478 · astro-ph.CO · Submitted 2025-11-27 · Read on arXiv

astro-ph.CO

Submitted: 2025-11-27

Updated: 2026-06-30

Comments: 14 pages, 8 figures

Journal ref: Sci.Bull. 71 (2026) 4410-4415

DOI: 10.1016/j.scib.2026.08.004

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

Terminology

Clustering — 18× in this paper · explained in 2 episodes
Effective Field Theory — 8× in this paper
Parameterized Post-Friedmann — 7× in this paper
Effective Field Theory (EFT) — 6× in this paper · explained in 2 episodes
Degeneracy — 4× in this paper · explained in 3 episodes
Consistency — 3× in this paper · explained in 3 episodes
Maximum A Posteriori — 3× in this paper
Matter Power Spectrum — 2× in this paper · explained in 2 episodes
Quintessence — 2× in this paper · explained in 2 episodes
Recent Dark Energy Spectroscopic Instrument — 2× in this paper
Akaike Information Criterion — 1× in this paper
Bayesian Framework — 1× in this paper · explained in 3 episodes
Bayesian Information Criterion — 1× in this paper
Cooperation — 1× in this paper · explained in 2 episodes
Gravitational Lensing — 1× in this paper · explained in 2 episodes
No-Go Theorem — 1× in this paper · explained in 2 episodes
Nonminimal coupling — 1× in this paper · explained in 2 episodes
Robustness — 1× in this paper · explained in 5 episodes
Trace — 1× in this paper · explained in 2 episodes

Sources

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