Numerical experiments on cosmological clustering

Details Numerical experiments on cosmological clustering Numerical experiments on cosmological clustering

Dec 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974a%26a....36..415h&link_type=abstract

Astronomy and Astrophysics, vol. 36, no. 3, Dec. 1974, p. 415-427. Research supported by the Robert A. Welch Foundation.

Astronomy and Astrophysics

Astrophysics

9

Astronomical Models, Computerized Simulation, Cosmology, Galactic Clusters, Gravitational Effects, Many Body Problem, Angular Momentum, Big Bang Cosmology, Dynamic Models, Mathematical Models, Metastable State

Scientific paper

Clustering was observed in accurate computer simulations of expanding N-Body systems with nearly balancing kinetic and potential energies. The rate of formation of well-isolated small clusters was lower than postulated for the simplest dynamical models of creation of hierarchical structures. The correlations between binding energies, angular momenta, and masses of small isolated clusters did agree well with observations and with some previous theoretical and computational results. Indirect evidence is presented for the rapid production of massive but less conspicuous clusters.

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