掺杂NO杂质的稀有气体基质中的飞秒响应：一种随机方法
Femtosecond response in rare gas matrices doped with NO impurities: A stochastic approach
摘要：
在随机朗之万理论框架下研究了NO掺杂稀有气体基质的飞秒响应。结果表明，一个简单的阻尼谐振子模型可以很好地描述介质中NO（$A^2Σ^+ \longleftrightarrow X^2Π$）电子跃迁的吸收和发射谱线形状，以及两个时间尺度下的基质第一溶剂化壳层响应，与已有的实验数据吻合较好.因此，这种方法构成了一种替代和补充的方式来分析液体和固体中系统的结构弛豫动力学，从而更好地理解底层物理。
英文摘要：
The femtosecond response of NO-doped rare gas matrices is studied within a stochastic Langevin theoretical framework. As is shown, a simple damped harmonic oscillator model can describe properly the absorption and emission line shapes associated with the NO ($A^2Σ^+ \longleftrightarrow X^2Π$) electronic transitions inside these media as well as the matrix first-solvation shell response in a process with two timescales, finding a fairly good agreement with available experimental data. This approach thus constitutes an alternative and complementary way to analyze the structural relaxation dynamics of systems in liquids and solids, leading to a better understanding of the underlying physics.
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