Non-standard fractal spectrum of a 1D gravitating model
Bruce N Miller and
J.l Rouet
Physica A: Statistical Mechanics and its Applications, 2002, vol. 305, issue 1, 266-270
Abstract:
A one-dimensional (1D) system obeying the Hubble expansion is studied numerically using an N-body code. The rescaling of both space and time changes the dynamics which, in the rescaled frame, is analogous to the dynamics of a 1D one-component plasma with the addition of a friction term. We start from a homogeneous initial condition but, because of Jeans’ instability, the system enters a non-linear regime and builds a hierarchical structure. Applying a multi-fractal analysis, we show that the density reveals a non-standard fractal spectrum related to a bifractal geometry.
Keywords: Expansion; N-body problem; Hierarchical structure; Cosmology; Numerical simulation (search for similar items in EconPapers)
Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:305:y:2002:i:1:p:266-270
DOI: 10.1016/S0378-4371(01)00673-2
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