Density perturbations in a Brans-Dicke cosmological model |
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| Authors: | Marcelo Samuel Berman |
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| Institution: | (1) Department of Astronomy, University of Florida, 32611 Gainesville, Florida;(2) Present address: Department of Exact Sciences, Faculdade de Filosofia, Ciencias e Letras da FURJ, 89200 Joinville, SC, Brazil |
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| Abstract: | A very general flat solution for Brans-Dicke cosmology with a perfect-fluid, Robertson-Walker metric and a perfect gas law of state is examined regarding density perturbations. The model has growing instabilities, but not of exponential character. |
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