Dark energy and negative compressibility of the Universe: A study based on cosmic equations of state

arXiv:2609.33673 · astro-ph.CO · Submitted 2026-09-27 · Read on arXiv

astro-ph.CO

Submitted: 2026-09-27

Updated: 2026-09-27

Terminology

• Phase Transitions — 4× in this paper · explained in 2 episodes
• Equation of State (EoS) — 2× in this paper · explained in 4 episodes
• EoS in the Dvali-Gabadadze-Porrati — 1× in this paper
• Higher-order derivatives — 1× in this paper · explained in 2 episodes

Related papers

• Angular clustering and bias of photometric quasars in the Kilo-Degree Survey Data Release 4
• A Novel kinetic Sunyaev-Zel'dovich Estimator for Electron-Electron Correlations
• Magnetic fields at the dawn of structure formation I. The CARLA J1510+5958 proto-cluster
• Dark Energy Survey Year 6 Results: Weak Lensing and Galaxy Clustering Cosmological Analysis Framework
• Exploring the Impact of Systematic Bias in Type Ia Supernova Cosmology Across Diverse Dark Energy Parametrizations
• Non-Gaussian Galaxy Stochasticity and the Noise-Field Formulation