Browsing Research Articles (Physics) by Author "Gallagher, CS"
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Multi-scale perturbation theory II: Solutions and leading-order bispectrum in the ΛcDM universe
Gallagher, CS; Clifton, T; Clarkson, C (IOP Publishing, 2021)Two-parameter perturbation theory (2PPT) is a framework designed to include the relativistic gravitational effects of small-scale nonlinear structures on the large-scale properties of the Universe. In this paper we use ...