The Evolution for Various Matter Perturbations in the Expanding Universe |
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| Authors: | LIN WenBin SHENG Ke CHU YaoQuan |
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| Institution: | 1. Center for Astrophysics, University of Science and Technology of China, Hefei 230026, China;
2. National Astronomical Observatory, The Chinese Academy of Sciences, Beijing 100012, China |
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| Abstract: | We present a systematic treatment of the linear theory of scalar gravitational perturbations of various matter (including baryons, cold dark matter, photons, massless neutrinos,and massive neutrino) for the flat, open and close universes, concentrating on the treatment of the massive neutrino component which has been either ignored or approximated crudely for the nonflat universe in previous literatures. |
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