Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2005-05-10
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
9 pages
Scientific paper
10.1103/PhysRevE.72.021102
Noise-induced escape from a metastable state of a dynamical system is studied
close to a saddle-node bifurcation point, but in the region where the system
remains underdamped. The activation energy of escape scales as a power of the
distance to the bifurcation point. We find two types of scaling and the
corresponding critical exponents.
Dykman Mark I.
Schwartz Ira B.
Shapiro Marjorie
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