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Random walks in a simple percolation model with two jump frequencies

Plyukhin, A.V. - In: Physica A: Statistical Mechanics and its Applications 229 (1996) 1, pp. 1-4

-conducting bonds and the concentration p of good-conducting bonds is close to the two-dimensional percolation threshold pc. The …

Persistent link: https://www.econbiz.de/10011057558

Molecular trajectory algorithm for random walks on percolation systems at criticality in two and three dimensions

Cen, Wei; Liu, Dongbing; Mao, Bingquan - In: Physica A: Statistical Mechanics and its Applications 391 (2012) 4, pp. 925-929

Random walk simulations based on a molecular trajectory algorithm are performed on critical percolation clusters. The …

Persistent link: https://www.econbiz.de/10011060344

Simulation of diffusion in 2-D heterogeneous systems: comparison with effective medium and percolation theories

Schlicht, Lutz; Ilgenfritz, Georg - In: Physica A: Statistical Mechanics and its Applications 227 (1996) 3, pp. 239-247

We report Monte Carlo simulations of the conductivity of a two-dimensional static system of non-overlapping, non- or weakly conducting discs in a conducting medium. The conductivity is evaluated using the “blind ant” diffusion algorithm. We investigate the dependence of the conductivity on...

Persistent link: https://www.econbiz.de/10011062055

New simple properties of a few irregular systems

Sapoval, B.; Andrade, J.S.; Baldassarri, A.; Desolneux, A. - In: Physica A: Statistical Mechanics and its Applications 357 (2005) 1, pp. 1-17

results are related to dynamical and static properties of gradient percolation. Firstly, it is shown that the transient … regimes which lead to self-organized gradient percolation due to corrosion do not scale like gradient percolation itself …

Persistent link: https://www.econbiz.de/10011062303

Conductivity exponent in three-dimensional percolation by diffusion based on molecular trajectory algorithm and blind-ant rules

Cen, Wei; Liu, Dongbing; Mao, Bingquan - In: Physica A: Statistical Mechanics and its Applications 391 (2012) 5, pp. 1909-1918

Diffusion on random systems above and at their percolation threshold in three dimensions is carried out by a molecular … trajectory method and a simple lattice random walk method, respectively. The classical regimes of diffusion on percolation near …

Persistent link: https://www.econbiz.de/10011063525