Anomalous diffusion on crumpled wires in two dimensions

Details Anomalous diffusion on crumpled wires in two dimensions Anomalous diffusion on crumpled wires in two dimensions

2006-02-23

arxiv.org/abs/cond-mat/0602567v1

Physics

Condensed Matter

Statistical Mechanics

10 pages including 4 figures. Physica A (2006). Preprint

Scientific paper

10.1016/j.physa.2006.01.065

It is investigated the statistical properties of random walks evolving on real configurations of a crumpled wire rigidly jammed in two dimensions. These crumpled hierarchical structures with complex topology are obtained from a metallic wire injected at a constant rate into a transparent planar cell of 20cm of diameter. The observed diffusion is anomalous with an exponent very close to that obtained at the threshold of two dimensional percolation. A comparison of the system studied in this paper with other systems of physical interest is also made, and an experimental consequence of our results is discussed.

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