Gravitational instability with high resolution

Details Gravitational instability with high resolution Gravitational instability with high resolution

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...343...26m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 343, Aug. 1, 1989, p. 26-30. Research supported by NSF.

Astronomy and Astrophysics

Astrophysics

41

Cosmology, Galactic Clusters, Gravitational Effects, High Resolution, Mass Distribution, Astronomical Models, Dark Matter, Spatial Resolution, String Theory

Scientific paper

A series of very high resolution simulations have been performed for gravitational clustering in two dimensions. It is shown that mass resolution, achieved by having large numbers of particles, is as important as spatial resolution. New objects arising inside pancakes are found, which are coherent with structure on much larger scales. The evolution of structure in hierarchical clustering models with a sufficiently flat power spectrum includes pancake-like structures, confirming the presence of filaments in cold dark matter universes.

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