Percolation analysis of nonlinear structures in scale-free two- dimensional simulations

Details Percolation analysis of nonlinear structures in scale-free two- dimensional simulations Percolation analysis of nonlinear structures in scale-free two- dimensional simulations

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...393..450d&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004- 637X), vol. 393, no. 2, July 10, 1992, p. 450- 463., Research supported by University

Astronomy and Astrophysics

Astrophysics

27

Cosmology, Galactic Clusters, Two Dimensional Models, Digital Simulation, Percolation, Universe, Video Tapes

Scientific paper

Results are presented of applying percolation analysis to several two-dimensional N-body models which simulate the formation of large- scale structure. Three parameters are estimated: total area (a(c)), total mass (M(C)), and percolation density (rho(c)) of the percolating structure at the percolation threshold for both unsmoothed and smoothed (with different scales L(s)) nonlinear with filamentary structures, confirming early speculations that this type of model has several features of filamentary-type distributions. Also, it is shown that, by properly applying smoothing techniques, many problems previously considered detrimental can be dealt with and overcome. Possible difficulties and prospects with the use of this method are discussed, specifically relating to techniques and methods already applied to CfA deep sky surveys. The success of this test in two dimensions and the potential for extrapolation to three dimensions is also discussed.

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