18-21 September 2019
Kraków
Europe/Warsaw timezone

Random sequential adsorption kinetics for several two-dimensional shapes placed on a one-dimensional line

Not scheduled
15m
Kraków

Kraków

Poster Session 8

Speaker

Kozubek Konrad (M. Smoluchowski Institute of Physics, Jagiellonian University, Kraków, Poland)

Description

Random sequential adsorption (RSA) is a protocol to generate random packing in the following way:

  • a virtual particle position and orientation in case of anisotropic shapes is selected randomly inside the packing;

  • if the virtual particle does not intersect with any object on the plane, it is added to the packing. Otherwise, it is removed from the system and abandoned.

One of is's key feature is the observed algebraic time dependence of the asymptotic jamming coverage:
$\theta_{max} - \theta(t) ∼t^{-d}$ when $t \to \infty$. Recent, theoretical study of A. Baule suggests that the scaling exponent observed for objects placed on a one-dimensional line depends on their shape, contrary to the original conjecture and, remarkably, falls into two universality classes.
Here we check this experimentally using new algorithms that allow generating strictly saturated RSA packings for ellipses, spherocylinders and rectangles. Additionally, we also study other properties of obtained packing.

Primary authors

Kozubek Konrad (M. Smoluchowski Institute of Physics, Jagiellonian University, Kraków, Poland) Piotr Kubala (M. Smoluchowski Institute of Physics, Jagiellonian University, Kraków, Poland) Michal Ciesla (M. Smoluchowski Institute of Physics, Jagiellonian University, Kraków, Poland)

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