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Kramers problem for a multiwell potential.

Research output: Contribution to journalJournal article

<mark>Journal publication date</mark>2000
<mark>Journal</mark>Physical Review Letters
Issue number12
Number of pages4
Pages (from-to)2556-2559
<mark>Original language</mark>English


Fluctuational escape from a multiwell potential is shown to display new features, as compared to the conventional single-well case. The flux J may depend on friction Gamma exponentially strongly, over an exponentially long period; for small enough temperatures, J(Gamma) undergoes marked oscillations in the range of small Gamma, and the time evolution of J changes drastically as Gamma exceeds a critical value.