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Название: Self-Diffusion in a Two-Dimensional System of Colliding Vertical Sticks
Авторы: Galves A., Ianiro N., Triolo L.
We consider a system of N horizontal lines where colliding vertical sticks are placed initially according to an equilibrium prescription; they move parallel to the lines and collide; the collisions take place between sticks of the same line and of the adjacent ones. The asymptotic behavior of a tagged stick is diffusive, and the self-diffusion constant is inversely proportional to N.