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Showing 2006 · gr-qcShow all
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gr-qc2006★ 27 cited
Second Order Gauge-Invariant Perturbations during Inflation
F. Finelli, G. Marozzi, G. P. Vacca +1
The evolution of gauge invariant second-order scalar perturbations in a general single field inflationary scenario are presented. Different second order gauge invariant expressions…
gr-qc2006★ 26 cited
Method of comparison equations for cosmological perturbations
R. Casadio, F. Finelli, A. Kamenshchik +2
We apply the method of comparison equations to study cosmological perturbations during inflation, obtaining the full power spectra of scalar and tensor perturbations to first and t…