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Entropy Production in the Cosmological Amplification of the Vacuum Fluctuations

· 1993 · gr-qc · arXiv gr-qc/9301010

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abstract

We estimate the entropy associated to a background of squeezed cosmic gravitons, and we argue that the process of cosmological pair production from the vacuum may explain the large amount of entropy of our present universe.

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gr-qc 1

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2026 1

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CONDITIONAL 1

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A Landscape of Cosmological Decoherence

gr-qc · 2026-06-03 · conditional · novelty 5.0

Requiring decohered cosmological perturbations to admit a classical P-function forces their momentum variance above the vacuum value, and demanding a linear gravitational potential at reheating bounds that variance by ~10^14, excluding thermal decoherence states and restricting amplitude-basis model

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  • A Landscape of Cosmological Decoherence gr-qc · 2026-06-03 · conditional · none · ref 45 · internal anchor

    Requiring decohered cosmological perturbations to admit a classical P-function forces their momentum variance above the vacuum value, and demanding a linear gravitational potential at reheating bounds that variance by ~10^14, excluding thermal decoherence states and restricting amplitude-basis model