Note on decoherence of the cosmological background by thermal perturbations in the language of open quantum systems

arXiv:2610.11397 · gr-qc, hep-th, quant-ph · Submitted 2026-10-08 · Read on arXiv

gr-qc, hep-th, quant-ph

Submitted: 2026-10-08

Updated: 2026-10-08

Terminology

• Regularization — 6× in this paper · explained in 3 episodes
• Quantization — 3× in this paper · explained in 12 episodes
• Generalization — 2× in this paper · explained in 13 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Anisotropy — 1× in this paper · explained in 3 episodes
• Benchmarking — 1× in this paper · explained in 3 episodes
• Entanglement — 1× in this paper · explained in 3 episodes
• Gauge Freedom — 1× in this paper · explained in 2 episodes
• Lindblad master equation — 1× in this paper · explained in 2 episodes
• Markovian Approximation — 1× in this paper · explained in 2 episodes

Sources

• Quantum decoherence of the homogeneous modes during inflation
• Decoherence and the transition from quantum to classical -- REVISITED
• Generalising gravitationally induced decoherence beyond linear environmental interactions in a microscopic quantum mechanical toy model
• Preinflationary Perturbations in The Thermal Background
• The Problem of Time in Quantum Gravity
• Back Reaction of Cosmological Perturbations and the Cosmological Constant Problem
• TASI Lectures on Inflation
• Cosmological long wavelength perturbations

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