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Can Non-Adiabatic Perturbations Arise After Single-Field Inflation?

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arxiv astro-ph/0401313 v3 pith:POF47AW7 submitted 2004-01-15 astro-ph hep-phhep-th

Steven Weinberg This is my paper
classification astro-phhep-phhep-th
keywords ariseinflationnon-adiabaticperturbationscannotcosmologicalduringfield
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It is shown that non-adiabatic cosmological perturbations cannot arise during the period of reheating following inflation with a single scalar inflaton field.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Acoustically driven dark matter freeze-out

    hep-ph 2025-06 accept novelty 6.0 of 10

    Thermal dark matter freeze-out under small-scale acoustic density perturbations requires about a 10 percent larger annihilation cross section to match the observed relic abundance.

  2. Generalized neutrino isocurvature

    hep-ph 2025-04 unverdicted novelty 6.0 of 10

    Generalizes neutrino isocurvature by introducing a mixing angle for the neutrino-matter perturbation ratio and derives first Planck limits on the angle.

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