光的非弹性光的散射中Klyshko的Stokes-Anti-Stokes关联的功率依赖性
Power dependence of Klyshko's Stokes-anti-Stokes correlation in the inelastic scattering of light
摘要：
光的非弹性光的散射中的斯托克斯和反斯托克斯分量与声子统计有关，并且已被广泛用于测量不同材料中的温度和声子寿命。然而，组件之间的相关性预计将改变斯托克斯/反斯托克斯强度比，对广泛使用的玻色-爱因斯坦统计进行修正。在这里，这些散射过程的激发功率依赖性理论上描述的有效哈密顿量，其中包括斯托克斯和反斯托克斯事件之间的相关性。该模型被用来拟合现有的实验结果在三维金刚石和二维石墨烯，表明该现象可以显着增加在特定的共振条件下的低维系统。通过建立Stokes-anti-Stokes关联现象的科学基础，推广了玻色-爱因斯坦布居函数在非弹性散射中的应用，给出了一个根据耦合常数和衰减率预测光学声子向热或光的转换的模型.该模型一般适用于非弹性散射。
英文摘要：
The Stokes and anti-Stokes components in the inelastic scattering of light are related to phonon statistics and have been broadly used to measure temperature and phonon lifetimes in different materials. However, correlation between the components are expected to change the Stokes/anti-Stokes intensity ratio, imposing corrections to the broadly used Bose-Einstein statistics. Here the excitation power dependence of these scattering processes is theoretically described by an effective Hamiltonian that includes correlation between the Stokes and the anti-Stokes events. The model is used to fit available experimental results in three-dimensional diamond and two-dimensional graphene, showing that the phenomenon can significantly increase in the low-dimensional system under specific resonance conditions. By setting the scientific basis for the Stokes-anti-Stokes correlated phenomenon, the use of the Bose-Einstein population function for reasoning the inelastic scattering is generalized, providing a model to predict the conversion of optical phonons into heat or light, according to coupling constants and decay rates. The model applies to inelastic scattering in general.
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