## Fractional extension of Kramers rate and barrier escaping from metastable potential well

22 Feb 2015  ·  Wang Chun-Yang ·

The reactive process of barrier escaping from the metastable potential well is studied together with the extension of Kramers' rate formula to the fractional case. Characteristic quantities are computed for an thimbleful of insight into the near barrier escaping and recrossing dynamics... Where the stationary transmission coefficient is revealed to be larger than the usual cases which implies less barrier recrossing. And the non-monotonic varying of it reveals a close dependence to the fractional exponent $\alpha$. In most cases, the near barrier behavior of the escaping dynamics is equivalent to the diffusion in the two-dimensional non-Ohmic damping system. read more

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Chemical Physics