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Corrals and critical behavior of the distribution of fluctuational paths.

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>23/12/1996
<mark>Journal</mark>Physical Review Letters
Issue number26
Number of pages4
Pages (from-to)5229-5232
<mark>Original language</mark>English


We investigate, theoretically and by analog experiment, the distribution of paths for large fluctuations away from a stable state. We have found critical broadening of the distribution of the paths coming to a cusp point that represents the simplest generic singularity in the pattern of most probable (optimal) fluctuational paths in nonequilibrium systems. The critical behavior can be described by a Landau-type theory. We predict and observe two-ridged distributions for arrivals on a switching line that separates the areas reached along optimal paths of different types.