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astro-ph.CO2025
: Accurate non-Gaussian initial conditions with arbitrary bispectrum for N-body simulations
Emanuele Fondi, Licia Verde, Marco Baldi +3
Primordial non-Gaussianity is predicted by various inflationary models, and N-body simulations are a crucial tool for studying its imprints on large-scale structure. In this work,…
astro-ph.CO2025
Wonderings on Wiggly Bispectra: Non-linear Evolution and Reconstruction of Oscillations in the Squeezed Bispectrum
Samuel Goldstein, Oliver H. E. Philcox, Emanuele Fondi +1
Oscillations in the primordial bispectrum are sourced by a range of inflationary phenomena, including features in the inflaton potential and interactions with massive fields throug…