Kinetic theory of hopping transport

Kinetic theory of hopping transport
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跳跃运输的动力学理论

DOI:
10.1080/13642818008245405
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发表时间:
1980
期刊:
Philosophical Magazine Part B
影响因子:
--
通讯作者:
F. Schmidlin
F. Schmidlin
中科院分区:
--
文献类型:
--
作者:
F. Schmidlin

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局部化状态的特征在于动力学(通过速率常数),并根据状态是否实际上使运输(动员粒子)或禁用运输(或作为临时固定器)分为运输状态和陷阱。开发了一种独特的分离技术。它是基于这样的原则,即在无陷阱条件下,粒子的流动性应该是最大的。还描述了另一种渗透技术,据信该技术产生相同的结果。这两种方法都是通用的,可以应用于任何由一组跃迁概率(如定义泡利主方程(PME)的跃迁概率)连接的状态阵列。分离的状态和某些近似,然后使人们有可能将PME转换成一个广义形式的捕获方程,这减少到传统的捕获方程的扩展状态传输的限制,其中的平均跳跃时间之间的传输状态趋于零。一般…
Abstract Localized states are characterized kinetically (via rate constants) and separated into transport states and traps according to whether the states actually enable transport (mobilize a particle) or disable transport (or act as temporary immobilizers). A technique is developed for effecting the separation uniquely. It is based on the principle that the mobility of a particle should be maximum under trap-free conditions. An alternative percolation technique is also described which is believed to produce the same result. Either technique is general and can be applied to any array of states linked by a set of transition probabilities, such as those which define the Pauli master equation (PME). The separated states and certain approximations then make it possible to transform the PME into a generalized form of trapping equations, which reduce to the conventional trapping equations for extended-state transport in the limit in which the mean hopping time between transport states tends to zero. The genera...