期刊
PHYSICAL REVIEW E
卷 79, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.79.041149
关键词
metastable states; reaction kinetics theory; switching; WKB calculations
资金
- MEC (Spain) [FIS2005-01729]
- NSF [DMR-0405212, DMR-0804266]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0804266] Funding Source: National Science Foundation
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.
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