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首页> 外文期刊>The Journal of Chemical Physics >Generalized quantum Fokker-Planck theory and its application to laser driven intramolecular hydrogen transfer reactions in condensed phases
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Generalized quantum Fokker-Planck theory and its application to laser driven intramolecular hydrogen transfer reactions in condensed phases

机译：广义量子Fokker-Planck理论及其在激光驱动的凝聚相中分子内氢转移反应中的应用

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摘要

A generalized quantum Fokker-Planck theory is proposed to treat the correlated dynamics of coherent driving and Markovian dissipation. The resulting formulation is applicable to arbitrary external time-dependent driving fields and satisfies the detailed balance condition at arbitrary temperatures. Analyzed are also the formal relations among the Caldeira-Leggett quantum Fokker-Planck equation, the Bloch-Redfield theory, and the present formulation. The approach is numerically implemented to study the intramolecular hydrogen transfer reaction dynamics in a one-dimensional model system. Different forms of external pulsed driving fields are exploited and their ability to compete with concurring relaxation processes is investigated. Energy relaxation and pure dephasing are shown to have rather different influences on the reaction yield. (C) 2000 American Institute of Physics. [S0021-9606(00)51114-3]. [References: 43]
机译：提出了广义量子Fokker-Planck理论来处理相干驱动和马尔可夫耗散的相关动力学。所得公式可适用于任意外部时间相关的驱动领域，并满足任意温度下的详细平衡条件。还分析了Caldeira-Leggett量子Fokker-Planck方程，Bloch-Redfield理论和当前公式之间的形式关系。该方法在数值上得以实现，以研究一维模型系统中的分子内氢转移反应动力学。利用了不同形式的外部脉冲驱动场，并研究了它们与并发的松弛过程竞争的能力。能量弛豫和纯相移显示出对反应产率的不同影响。 （C）2000美国物理研究所。 [S0021-9606（00）51114-3]。 [参考：43]

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