Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2001-12-27
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
7 pages
Scientific paper
Density perturbations in the flat (K=0) Robertson-Walker universe with
radiation ($p=\epsilon/3$) and positive cosmological constant ($\Lambda>0$) are
investigated. The phenomenon of anomalous dispersion of acoustic waves on
$\Lambda$ is discussed.
Golda Zdzislaw
Woszczyna Andrzei
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