In this paper, we propose a fast Bayesian method to generate the 3D matter power spectrum, for a given set of wavenumbers, k and redshifts, z. ![]() Existing computer models (Boltzmann codes) such as CLASS can provide it at the expense of immoderate computational cost. Download RIS format (EndNote, RefMan) TY - JOUR AB - The 3D matter power spectrum, Pδ(k,z) is a fundamental quantity in the analysis of cosmological data such as large-scale structure, 21 cm observations, and weak lensing.
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