Cosmic variance and ergodicity in finite systems with correlations

arXiv:2608.30838 · astro-ph.CO, gr-qc, physics.data-an · Submitted 2026-08-31 · Read on arXiv

astro-ph.CO, gr-qc, physics.data-an

Submitted: 2026-08-31

Updated: 2026-08-31

Terminology

• Homogeneity — 9× in this paper · explained in 2 episodes
• Accuracy — 6× in this paper · explained in 1 episode
• Apparent Horizon — 5× in this paper · explained in 1 episode
• Anisotropy — 1× in this paper · explained in 3 episodes
• Non-Gaussianity — 1× in this paper · explained in 2 episodes
• Quantum fluctuations — 1× in this paper · explained in 2 episodes

Sources

• Why do cosmological perturbations look classical to us?
• Shortcomings in the Understanding of Why Cosmological Perturbations Look Classical
• Cosmological Inflation and the Quantum Measurement Problem
• Quantum Discord of Cosmic Inflation: Can we Show that CMB Anisotropies are of Quantum-Mechanical Origin?
• Cosmic Inflation, Quantum Information and the Pioneering Role of John S Bell in Cosmology
• Critical review of prevailing explanations for the emergence of classicality in cosmology
• The ergodicity bias in the observed galaxy distribution
• Planck 2018 results. X. Constraints on inflation
• Cosmological consequences of statistical inhomogeneity

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