The Abelian Manna model on two fractal lattices

Details The Abelian Manna model on two fractal lattices The Abelian Manna model on two fractal lattices

2010-06-30

arxiv.org/abs/1006.5807v1

Phys. Rev. E 82, 042103 (2010)

Physics

Condensed Matter

Statistical Mechanics

4 pages, 3 figures, 3 tables, submitted to PRE as a Brief Report

Scientific paper

10.1103/PhysRevE.82.042103

We analyze the avalanche size distribution of the Abelian Manna model on two different fractal lattices with the same dimension d_g=ln(3)/ln(2), with the aim to probe for scaling behavior and to study the systematic dependence of the critical exponents on the dimension and structure of the lattices. We show that the scaling law D(2-tau)=d_w generalizes the corresponding scaling law on regular lattices, in particular hypercubes, where d_w=2. Furthermore, we observe that the lattice dimension d_g, the fractal dimension of the random walk on the lattice d_w, and the critical exponent D, form a plane in 3D parameter space, i.e. they obey the linear relationship D=0.632(3) d_g + 0.98(1) d_w - 0.49(3).

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