透射系数
物理
布朗运动
分数布朗运动
矩形势垒
统计物理学
机械
传输(电信)
材料科学
凝聚态物理
量子力学
电气工程
工程类
作者
Chun-Yang Wang,Zhaopeng Sun,Ming Qing,Yuqing Xu
标识
DOI:10.1142/s0217979218502855
摘要
The time-dependent barrier passage of a Brownian particle diffusing in the fractional damping environment is studied by using the reactive flux method. Characteristic quantities such as the rate constant and stationary transmission coefficient are computed for a thimbleful of insight into the barrier escaping dynamics. Results show that the barrier recrossing of the fractional damping reactive system is obviously weakened. And the nonmonotonic varying of the stationary transmission coefficient reveals a close dependence of the escaping process on the fractional damping properties. The time-dependent barrier passage of one-dimensional fractional damping reactive process is found very similar to the two-dimensional non-Ohmic case.
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