Articles with "bispectrum small" as a keyword



Free cosmic density bispectrum on small scales

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Published in 2025 at "Journal of Cosmology and Astroparticle Physics"

DOI: 10.1088/1475-7516/2025/09/083

Abstract: We study the asymptotic behaviour of the free, cold-dark matter density fluctuation bispectrum in the limit of small scales. From an initially Gaussian random field, we draw phase-space positions of test particles which then propagate… read more here.

Keywords: bispectrum small; bispectrum; zel dovich; density ... See more keywords