从单原子响应严格推导三重散射信号
Rigorous derivation of the triple scattering signal from single-atom responses
摘要：
利用主方程方法研究了强激光与三个不动二能级原子的相干后向散射。主方程解析求解，三重散射谱表示在求积。我们表明，这种解决方案可以通过一个自洽的单原子光谱响应的组合，并相当于从图解泵探测方法的解决方案。推导了用于模拟激光在体原子介质中多次非弹性散射的单原子积木式的一般表达式。
英文摘要：
We study coherent backscattering of intense laser light from three immobile two-level atoms using the master equation approach. The master equation is solved analytically, and the triple scattering spectrum is expressed in quadratures. We show that this solution can be obtained via a self-consistent combination of single-atom spectral responses, and is equivalent to the solution following from the diagrammatic pump-probe approach. We deduce the general expressions for single-atom building blocks which can be used in simulations of multiple inelastic scattering of laser light in the bulk atomic medium.
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