Remarks on the Theory of Cosmological Perturbation
classification
🌌 astro-ph
gr-qchep-ph
keywords
powerspectrumcosmologicaldefineddirectlygaugecalculatecalculated
read the original abstract
It is shown that the power spectrum defined in the Synchronous Gauge can not be directly used to calculate the predictions of cosmological models on the large-scale structure of universe, which should be calculated directly by a suitable gauge-invariant power spectrum or the power spectrum defined in the Newtonian Gauge.
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