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Fluctuation phenomena in a multibranch potential.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

<mark>Journal publication date</mark>06/1992
<mark>Journal</mark>Physical review a
Issue number11
Pages (from-to)R7678-R7681
Publication StatusPublished
<mark>Original language</mark>English


Fluctuation phenomena, to be anticipated in all systems for which the internal fluctuating variable is a multivalued function of the observable quantity, are reported. Analog electronic experiments on a model optically bistable Fabry-Perot cavity have shown that the observable may be described in terms of a Boltzmann distribution with a multibranch effective potential. The distribution was observed to possess up to four peaks (two twin peaks) within the range of bistability, and to become singular at outer boundaries corresponding to branching points of the potential. The experimental results are compared with theory.