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astro-ph.CO2024
Curvaton distribution from stochastic inflation
Koki Tokeshi
The curvaton paradigm can realise a part of or all the observed curvature perturbation. Based on the stochastic formalism of inflation and closed-form exact distributions therein,…
astro-ph.CO2024
Exactly solvable stochastic spectator
Masazumi Honda, Ryusuke Jinno, Koki Tokeshi
The stochastic formalism of inflation allows us to describe the scalar-field dynamics in a non-perturbative way. The correspondence between the diffusion and Schrödinger equations…