Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.220...39i&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 220, no. 1, p. 39-48
Astronomy and Astrophysics
Astrophysics
3
Cosmic Dust, Cosmology, Evolution, Gauge Theory, Interstellar Radiation, Perturbation, Symmetry, Universe, Flux Density, Momentum, Tensor Analysis
Scientific paper
The evolution of a perfect fluid perturbation is considered in the radiation dominated period and in the dust epoch. In the investigation we make use of the general formalism developed in previous papers. It turns out that the evolution tendency is predicted by the state of the cosmic background. The radiation dominated universe does not stimulate growing processes of the perturbation, whereas the dust dominated universe causes a growing tendency of small perfect fluid formations. The results of this work are in accordance with these obtained by the present writers in a previous work.
Dehnen Heinz
Israelit Mark
Rose Bernhard
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