Bounding axion dark energy

arXiv:2604.09141 · astro-ph.CO, hep-ph, hep-th · Submitted 2026-04-10 · Read on arXiv

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

Submitted: 2026-04-10

Updated: 2026-09-09

Comments: 17 pages + appendices + refs; v2: JCAP version, including additional refs. and expanded discussions

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

Terminology

• Quintessence — 22× in this paper · explained in 2 episodes
• Generalization — 6× in this paper · explained in 13 episodes
• Hubble Tension — 2× in this paper · explained in 9 episodes
• Adam — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Fine-Tuning — 1× in this paper · explained in 5 episodes
• Gravitational Lensing — 1× in this paper · explained in 2 episodes
• Ordinary Differential Equations (ODEs) — 1× in this paper · explained in 2 episodes
• Transformer — 1× in this paper · explained in 2 episodes
• alpha — 1× in this paper · explained in 1 episode

Sources

• DESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations
• DESI DR2 Results I: Baryon Acoustic Oscillations from the Lyman Alpha Forest
• DESI DR2 Results II: Measurements of Baryon Acoustic Oscillations and Cosmological Constraints
• Cosmology and the Fate of Dilatation Symmetry
• The Swampland: Introduction and Review
• Distance and de Sitter Conjectures on the Swampland
• Trans-Planckian Censorship and the Swampland
• What if string theory has no de Sitter vacua?
• On the Cosmological Implications of the String Swampland
• Dark Energy in the Swampland
• De Sitter vs Quintessence in String Theory
• Lectures on the string landscape and the Swampland
• De Sitter Space and the Swampland
• Swampland Conjectures and Late-Time Cosmology
• The Standard Model from String Theory: What Have We Learned?
• String Axiverse
• String Cosmology: from the Early Universe to Today
• On the Possibility of Large Axion Moduli Spaces
• Constraints on Axion Inflation from the Weak Gravity Conjecture
• Fencing in the Swampland: Quantum Gravity Constraints on Large Field Inflation

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