Scaling behavior of jamming fluctuations upon random sequential adsorption

Details Scaling behavior of jamming fluctuations upon random sequential adsorption Scaling behavior of jamming fluctuations upon random sequential adsorption

2003-12-05

arxiv.org/abs/cond-mat/0312170v1

Physics

Condensed Matter

Statistical Mechanics

8 pages, 2 figures. To appear in Eur. Phys. J. B (Rapid note) (2003)

Scientific paper

10.1140/epjb/e2003-00329-6

It is shown that the fluctuations of the jamming coverage upon Random Sequential Adsorption ($\sigma_{\theta_J}$), decay with the lattice size according to the power-law $\sigma_{\theta_J} \propto L^{-1 / \nu_J}$, with $\nu_{J} = 2 / (2D - d_f)$, where $D$ is the dimension of the substrate and $d_{\rm f}$ is the fractal dimension of the set of sites belonging to the substrate where the RSA process actually takes place. This result is in excellent agreement with the figure recently reported by Vandewalle {\it et al} ({\it Eur. Phys. J.} B. {\bf 14}, 407 (2000)), namely $\nu_J = 1.0 (1)$ for the RSA of needles with $D = 2$ and $d_f = 2$, that gives $\nu_J = 1$. Furthermore, our prediction is in excellent agreement with different previous numerical results. The derived relationships are also confirmed by means of extensive numerical simulations applied to the RSA of dimers on both stochastic and deterministic fractal substrates.

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