Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2001-08-31
J. Phys. A 37, 2863 (2004)
Physics
Condensed Matter
Statistical Mechanics
11 pages, 5 figures
Scientific paper
10.1088/0305-4470/37/8/002
We investigate a class of stochastic fragmentation processes involving stable and unstable fragments. We solve analytically for the fragment length density and find that a generic algebraic divergence characterizes its small-size tail. Furthermore, the entire range of acceptable values of decay exponent consistent with the length conservation can be realized. We show that the stochastic fragmentation process is non-self-averaging as moments exhibit significant sample-to-sample fluctuations. Additionally, we find that the distributions of the moments and of extremal characteristics possess an infinite set of progressively weaker singularities.
Ben-Naim Eli
Grosse Ivo
Krapivsky Paul. L.
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