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astro-ph.CO2025
Ito calculus meets the Hubble tension: Effects of small-scale electron density fluctuations on the CMB anisotropies
Jens Chluba, Geoffrey Vasil, Richard Battye
In this work, we develop a novel formalism to include the effect of electron density fluctuations at ultra small scales (well below the sound horizon at last scattering) on the obs…
astro-ph.CO2025★ 3 cited
Near-Peak Spectrum of Gravitational Waves from Collapsing Domain Walls
Bryce Cyr, Steven Cotterill, Richard Battye
Cosmological domain walls appear in many well-motivated extensions to the standard model of particle physics. If produced, they quickly enter into a self-similar scaling regime, wh…