Gravitational instability |
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| Authors: | D J Heath |
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| Institution: | (1) Faculty of Applied Sciences, Luton College of Higher Education, Luton, England, U.K. |
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| Abstract: | In this paper we review the gravitational instability theory of galaxy formation. Closed-form expressions for the rate of growth of density perturbations in the regime prior to recombination are presented in special cases in which the cosmological constant is non-zero. After recombination, the fate of perturbations in Lemaître universes is studied with the aid of exact solutions to the density perturbation equation orginally derived by Bonnor. |
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