STATISTICAL-MECHANICS OF LAPLACIAN FRACTALS

被引:7
|
作者
ELEZGARAY, J
MUZY, JF
ARGOUL, F
ARNEODO, A
机构
[1] Centre de Recherche Paul Pascal, 33600 Pessac, avenue Schweitzer
关键词
D O I
10.1103/PhysRevLett.71.2425
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report on numerical evidence for a statistical mechanics description of the probability distribution of clusters grown on a square lattice with the eta model. The morphology selection mechanism in Laplacian growth phenomena is formulated in terms of two functions alpha(eta) and beta(eta), which play the role of a free energy and an inverse temperature, respectively. Invariants of the growth process such as the fractal dimension of a typical cluster and the singularity spectrum of its harmonic measure are computed from these thermodynamic quantities.
引用
收藏
页码:2425 / 2428
页数:4
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