SODA

Self-gravitating systems in a three-dimensional expanding universe

Aurell, Erik and Fanelli, Duccio (2002) Self-gravitating systems in a three-dimensional expanding universe. European Journal of Physics .

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Official URL: http://xxx.lanl.gov/abs/cond-mat/0106444

Abstract

The non-linear evolution of one-dimensional perturbations in a three-dimensional expanding Universe is considered. A general Lagrangian scheme is derived, and compared to two previously introduced approximate models. These models are simulated with heap-based event-driven numerical procedure that allows for the study of large systems, averaged over many realisations of random initial conditions. One of the models is shown to be qualitatively, and, in some respects, concerning mass aggregation, quantitatively similar to the adhesion model.

Item Type:Article
ID Code:2893
Deposited By:INVALID USER
Deposited On:08 Sep 2009
Last Modified:18 Nov 2009 16:14

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