The unavoidable de Sitter fate of a scale-invariant Universe

arXiv:2606.31472 · gr-qc, astro-ph.CO, hep-ph, hep-th · Submitted 2026-06-30 · Read on arXiv

Chiara Cecchini, Massimiliano Rinaldi

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

Submitted: 2026-06-30

Comments: 5 pages

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

Terminology

• Symmetry Breaking — 4× in this paper · explained in 3 episodes
• Fine-Tuning — 3× in this paper · explained in 5 episodes
• Elias — 2× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Quantization — 1× in this paper · explained in 12 episodes
• Reheating — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Cosmological Constant - the Weight of the Vacuum
• Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
• Measurements of Omega and Lambda from 42 High-Redshift Supernovae
• The Cosmological Constant
• The Cosmological Constant and Dark Energy
• Everything You Always Wanted To Know About The Cosmological Constant Problem (But Were Afraid To Ask)
• The Cosmological Constant Problem: Why it's hard to get Dark Energy from Micro-physics
• Quantum scale invariance, cosmological constant and hierarchy problem
• Agravity
• Quantum scale symmetry
• Higgs-Dilaton Cosmology: From the Early to the Late Universe
• Inflation and reheating in theories with spontaneous scale invariance symmetry breaking
• Inflation in a scale invariant universe
• Testing scale-invariant inflation against cosmological data
• Dynamically Induced Planck Scale and Inflation
• Cosmon inflation
• Conformal symmetry of gravity and the cosmological constant problem
• Inflation and Scale-invariant $R^2$-Gravity
• New interpretation of the Minkowski limit of $R^2$ gravity
• Scale-invariant inflation with one-loop quantum corrections

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