Remarks on the Theory of Cosmological Perturbation
arXiv:astro-ph/0107162 · doi:10.1088/0256-307X/18/11/336
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.
13 pages, 1 figure, minor changes, to be published in Chinese Physics Letters