Dynamical disorder in presence of exponential sink

Chakrabarti R.

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Dynamical disorder in presence of exponential sink

机译：存在指数沉的动态障碍

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In this Letter we show an elegant application of the path integral based method developed recently [J. Chem. Phys. 124 (2006) 204111] to calculate the lower bound to the survival probability of a particle diffusing in a harmonic well in presence of an exponential sink. Our lower bound is always finite and well behaved and does not blow up like the approximate survival probability when calculated using second-order cumulant expansion for some decorrelation time scales [J. Phys. Chem. B 110 (2006) 19061]. The problem can be mapped onto the problem of electron transfer dynamics in single protein molecule where the electron transfer rate shows an exponential dependence on the edge to edge distance between the donor and the acceptor.

机译：在这封信中，我们展示了最近开发的基于路径积分的方法的优美应用[J.化学物理124（2006）204111]计算存在于指数阱中的粒子在谐波井中扩散的生存概率的下限。我们的下限始终是有限的并且表现良好，并且在某些去相关时间尺度上使用二阶累积量展开进行计算时不会像近似生存概率那样爆炸[J.物理化学B 110（2006）19061]。该问题可以映射到单个蛋白质分子中电子转移动力学的问题，其中电子转移速率对供体和受体之间的边到边距离显示出指数依赖性。

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《Chemical Physics Letters》 |2010年第3期|共3页
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Chakrabarti R.;
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机译：存在指数沉的动态障碍
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Dynamical disorder in presence of exponential sink

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