Limits on the size of electron density fluctuations in the early universe and implications for the Hubble tension
astro-ph.CO
Submitted: 2026-10-04
Updated: 2026-10-04
Code: https://github.com/gplynch619/classito
Terminology
Sources
- Probing the inflaton: Small-scale power spectrum constraints from measurements of the CMB energy spectrum
- CMB spectral distortions from small-scale isocurvature fluctuations
- Reheating the Universe Once More: The Dissipation of Acoustic Waves as a Novel Probe of Primordial Inhomogeneities on Even Smaller Scales
- Spectral Distortions of the CMB as a Probe of Inflation, Recombination, Structure Formation and Particle Physics
- Constraining Density Fluctuations with Big Bang Nucleosynthesis in the Era of Precision Cosmology
- Big Bang Nucleosynthesis Constraint on Baryonic Isocurvature Perturbations
- The Bearable Inhomogeneity of the Baryon Asymmetry
- New Isocurvature Constraints from JWST UV Luminosity Function
- Ito calculus meets the Hubble tension: Effects of small-scale electron density fluctuations on the CMB anisotropies
- Observable Isocurvature Fluctuations from the Affleck-Dine Condensate
- Isocurvature fluctuations in Affleck-Dine mechanism and constraints on inflation models
- Planck 2018 results. X. Constraints on inflation
- Cosmic Recombination in the Presence of Primordial Magnetic Fields
- Dark Matter Minihalos from Primordial Magnetic Fields
- Cosmic microwave background limits on accreting primordial black holes
- A New Probe of Dark Matter and High-Energy Universe Using Microlensing
- Early Structure Formation in $\Lambda$PBH Cosmologies
- Not-quite-primordial black holes seeded by cosmic string loops
- Early structure formation from primordial density fluctuations with a blue-tilted power spectrum
- Not-quite-primordial black holes
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