Linear clustering of galaxies in low-density universes

Details Linear clustering of galaxies in low-density universes Linear clustering of galaxies in low-density universes

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....86..212o&link_type=abstract

Astronomy and Astrophysics, vol. 86, no. 1-2, June 1980, p. 212-216.

Physics

9

Astronomical Models, Cosmology, Galactic Clusters, Gravitation Theory, Acceleration (Physics), Curvature, Space-Time Functions

Scientific paper

Assuming that the large scale structure observed in the present universe can be explained by dissipationless gravitational clustering of small (Jeans) masses into larger and larger structures, the theory of linear growth of gravitational instability is applied to the case of a positive cosmological constant. For such a constant, numerical results show that the growing modes of low-density universes still amplify by at least an order of magnitude between z approximately equal to 1/Omega(0) and the present, provided the spatial curvature is positive and suitably large.

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