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arXiv 1208.4891math.STphysics.chem-phstat.TH
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结构噪声环境中的Kramers型有效反应流

Kramers-type effective Reactive Flow in Structured-noise Environments

Chun-Yang Wang

摘要:

通过解析求解直接受三种内部结构噪声(谐波噪声、谐波速度噪声和谐波加速度噪声)驱动的广义Langevin方程,研究了三种典型反常扩散系统的非马尔可夫特性.用反应通量法计算了随时间变化的反应速率和透射系数。在谐波噪声和谐波加速度噪声系统中,出现了Kramers型有效反应流的惊人行为。

英文摘要:

The non-Markovian features of three typical anomalous diffusing systems are studied by analytically solving the generalized Langevin equation directly driven by three kind of internal structured-noises: harmonic noise, harmonic velocity noise and harmonic acceleration noise, respectively. The time-dependent reaction rate and the transmission coefficient are calculated by using of the reactive flux method. A startling behavior of Kramers-type effective reactive flow is witnessed in the harmonic noise and harmonic acceleration noise systems.

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