Cosmological Perturbation Theory
classification
🌌 astro-ph.CO
keywords
theorycosmologicalfluctuationsperturbationaugustbackgroundbraziliancondition
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A short pedagogical overview of cosmological perturbation theory, following the lectures given during the brazilian school of cosmology held in August 2012. Topics treated are: I. The background II. SVT decomposition and the gauge issue. III. The example of the tensor modes. IV. Density fluctuations, transfer function and power spectrum. V. Initial condition theory: quantum vacuum fluctuations.
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