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Numerical study of currents fluctuations in metal-dielectric composites at the percolation threshold
Publikováno v:
In Chinese Journal of Physics June 2020 65:261-267
Autor:
Mokhtari, Mohamed, Zekri, Lotfi
Levy distributions are involved in many physical phenomenon. The purpose of our study is to understand metal insulator transitions in composite systems using the above distributions. The exact method (EM) based on the calculation of Kirchhoff s equat
Externí odkaz:
http://arxiv.org/abs/1304.4284
In this paper we use a variant of the Watts-Strogatz small-world model to predict wildfire behavior near the critical propagation/nonpropagation threshold. We find that forest fire patterns are fractal and that critical exponents are universal, which
Externí odkaz:
http://arxiv.org/abs/0805.3365
Autor:
Zekri, Lotfi, Stauffer, Dietrich
This third part of the lecture series deals with the question: Who will pay for your retirement? For Western Europe the answer may be ``nobody'', but for Algeria the demography looks more promising.
Comment: For 8th Granada seminar (AIP Conf. Pr
Comment: For 8th Granada seminar (AIP Conf. Pr
Externí odkaz:
http://arxiv.org/abs/q-bio/0503015
Autor:
Zekri, Lotfi
We analyze a random resistor-inductor-capacitor $(RLC)$ lattice model of 2-dimensional metal-insulator composites. The results are compared with Bruggeman's and Landauer's Effective Medium Approximations where a discrepancy was observed for some freq
Externí odkaz:
http://arxiv.org/abs/cond-mat/0412741
Autor:
Zekri, Lotfi
Numerical investigation of critical exponents on a hypercubic with L^d random sites with L up to $33 and d up to 7 show that above the critical dimension the phase transitions in Ising model and percolation are not alike.
Comment: 5 pages includ
Comment: 5 pages includ
Externí odkaz:
http://arxiv.org/abs/cond-mat/0406322
We examined in this work the effect of the inter-grains distributions as well as the scaling of the complex impedance in order to analyze its frequency dependance for composite metal-insulator films. The dependance of the characteristic frequencies o
Externí odkaz:
http://arxiv.org/abs/cond-mat/0209046
We study the imaginary part of the effective $ac$ conductivity as well as its distribution probability for vanishing losses in 2D composites. This investigation showed that the effective medium theory provides only informations about the average cond
Externí odkaz:
http://arxiv.org/abs/cond-mat/0209045
Akademický článek
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