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

Journal ref: A&A 713, A181 (2026)

DOI: 10.1051/0004-6361/202660004

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

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

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