University of Minnesota
School of Physics & Astronomy
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Alex Kamenev

“Switching rates of multi-step reactions”
C. Escudero, and A. Kamenev, Phys. Rev. E 79, 041149 (2009)

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We consider the switching rate of a metastable reaction scheme, which includes reactions with arbitrary steps, e.g., kA↔(k+r)A (both forward and reverse reaction steps are allowed to happen). Employing a WKB approximation, controlled by a large system size, we evaluate both the exponent and the preexponential factor for the rate. The results are illustrated on a number of examples.