Fluctuations in finite critical and turbulent systems
arXiv:cond-mat/0008243 · doi:10.1103/PhysRevLett.86.1007
Abstract
We show that hyperscaling and finite-size scaling imply that the probability distribution of the order parameter in finite size critical systems exhibit data collapse. We consider the examples of equilibrium critical systems, and a statistical model of ecology. We explain recent observations that the probability distribution of turbulent power fluctuations in closed flows is the same as that of the harmonic 2DXY model.
arXiv comment4 pages, 2 figures, Comment on dynamic universality class revised
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