On the non-linear scale of cosmological perturbation theory
On the non-linear scale of cosmological perturbation theory
On the non-linear scale of cosmological perturbation theory
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ConclusionThree loop larger than one loop at z = 0 at all <strong>scale</strong>sExpected for Eisenstein-Hu-like spectrumLoop expansion exhibits behaviour <strong>of</strong> asymptotic seriesPadé resummation in small k limitImproved perturbative expansion with better convergence properties atBAO <strong>scale</strong>s, good agreement with N-body dataMathias Garny (DESY Hamburg / CERN)<strong>On</strong> <strong>the</strong> <strong>non</strong>-<strong>linear</strong> <strong>scale</strong> <strong>of</strong> <strong>cosmological</strong> <strong>perturbation</strong> <strong>the</strong>ory