Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...341...16y&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 341, June 1, 1989, p. 16-25.
Astronomy and Astrophysics
Astrophysics
32
Cosmology, Fractals, Galactic Clusters, Galactic Structure, Shock Waves, Universe, Correlation, Explosions, Particle Size Distribution, Shells (Structural Forms)
Scientific paper
Structures which result from the overlapping of shells produced by explosions or negative density perturbations are calculated using three-dimensional Voronoi tessellation and a comparison is made with the real structure. This model can reproduce the observed bubble-like structure on large scales. The two-point correlation function of mass distribution after overlapping shows a power-law form, though its power index is considerably smaller than the observed value. This suggests the importance of the gravitational clustering process, such as concentration of matter on the walls into filaments and nodes.
Ikeuchi Satoru
Yoshioka Satoshi
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