Comment on: "Self-Diffusion in 2D Dusty-Plasma Liquids: Numerical-Simulation Results" [arXiv:0812.0338]
T. Ott, M. Bonitz, and P. Hartmann

TL;DR
This paper analyzes superdiffusion in 2D Yukawa liquids, revealing a consistent relationship between the diffusion exponent and the screening parameter through numerical simulations.
Contribution
It provides new insights into the behavior of superdiffusion in strongly correlated 2D dusty-plasma liquids, specifically the monotonic dependence of the diffusion exponent on the screening parameter.
Findings
Superdiffusion observed in 2D Yukawa liquids.
Diffusion exponent varies monotonically with screening parameter.
Numerical simulation results support the analysis.
Abstract
An analysis of superdiffusion in two-dimensional strongly correlated Yukawa liquids is presented. In particular, we report a regular, montonic behavior of the diffusion exponent on the screening parameter.
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