Pancakes and filaments in cosmological gravitational clustering.

Details Pancakes and filaments in cosmological gravitational clustering. Pancakes and filaments in cosmological gravitational clustering.

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999prama..53..995s&link_type=abstract

Pramāna, Vol. 53, No. 6, p. 995 - 1000

Physics

1

Universe: Large-Scale Structure

Scientific paper

The author considers the geometrical properties of a distribution of matter evolving under gravitational clustering. Such a distribution can be studied using standard statistical indicators such as the correlation function as well as geometrical descriptors sensitive to "connectedness" such as percolation analysis and Minkowski functionals. Applying these methods to N-body simulations and galaxy catalogues one finds that the filling factor at the percolation threshold is usually very small reflecting the fact that the Universe consists of a network of filaments and pancakes, the latter being statistically more prominent.

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