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Determination of the chemical diffusion coefficient by Monte Carlo simulation of the center-of-mass propagation

Ryszard Kutner ,  Wojciech Bogusz 

Faculty of Physics, University of Warsaw (FPUW), Pasteura 5, Warsaw 02-093, Poland


The extended Zwergermethod of determining the chemical diffusion coefficient, for lattice gas conventional diffusion in equilibrium and superdiffusion in stationary state, is verified by Monte Carlo simulation of the centre-of-mass propogation. It has been found that the chemical diffusion coefficient for superdiffusion in one-dimensional, noninteracting lattice gas with the exclusion of double occupancy is concentration independent like in conventional diffusion. Moreover, it has been proved that (chemical) superdiffusion of uncorrelated particles is exactly described in this model by the Burgers nonlinear diffusion equation.

Zeitschrift für Physik B 86 (1992), 461.


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Presentation: Article at Econophysics group of Ryszard Kutner, by Ryszard Kutner
See On-line Journal of Econophysics group of Ryszard Kutner

Submitted: 2016-03-29 15:12
Revised:   2016-03-29 15:15