Browsing Research Articles (Physics) by Author "Gallagher, Christopher S."
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Multi-scale perturbation theory. Part I. Methodology and leading-order bispectrum corrections in the matter-dominated era
Clarksona, Chris; Gallagher, Christopher S.; Clifton, Timothy (IOP Publishing Ltd, 2020)Two-parameter perturbation theory is a scheme tailor-made to consistently include nonlinear density contrasts on small scales (< 100 Mpc), whilst retaining a traditional approach to cosmological perturbations in the ...