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astro-ph.CO2026
Calculating the squeezed bispectrum in stochastic inflation by Monte Carlo simulation
Koichi Miyamoto, Yuichiro Tada
The bispectrum of cosmological perturbations is an important probe of inflation and the underlying particle physics. However, calculating it becomes challenging in inflation models…
astro-ph.CO2025
Calculating the power spectrum in stochastic inflation by Monte Carlo simulation and least squares curve fitting
Koichi Miyamoto, Yuichiro Tada
The stochastic- formalism is widely used to study inflation models in which the quantum diffusion of inflatons dominates the background dynamics, leading to interesti…