Classical and Quantum Theory of Perturbations in Inflationary Universe Models
R. Brandenberger, H. Feldman, V. Mukhanov
Abstract
A brief introduction to the gauge invariant classical and quantum theory of cosmological perturbations is given. The formalism is applied to inflationary Universe models and yields a consistent and unified description of the generation and evolution of fluctuations. A general formula for the amplitude of cosmological perturbations in inflationary cosmology is derived.
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