本文给出了双粒子格林函数的能谱方程及其简单的推导过程，而且还推导出了在TDA近似下的顶角因子的二级近似公式。

We give the spectra equation of double particle Green Function and the process eliting it. As well as the second approximate formula of the TDA approximate diagram is also given.

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本文给出了双粒子格林函数的能谱方程及其简单的推导过程，而且还推导出了在TDA近似下的顶角因子的二级近似公式。

We give the spectra equation of double particle Green Function and the process eliting it. As well as the second approximate formula of the TDA approximate diagram is also given.

youdao