论文标题
非线性光子三叉戟与双康普顿散射和一步术语的重新调整
Nonlinear photon trident versus double Compton scattering and resummation of one-step terms
论文作者
论文摘要
我们研究了光子三叉戟过程，其中初始光子在与强平面波背景场的非线性相互作用下变成了电子旋律对和最终光子。我们表明，此过程与双康普顿散射非常相似，其中电子与背景场相互作用并发出两个光子。我们还展示了如何通过重新定位小型和大$χ$扩展来获得一步术语。我们考虑了几种不同的重新调整方法，还提出了新的重新召集（涉及Meijer-G功能），它们在大小$χ$上都具有正确的扩展类型。这些新的重新召集需要相对较少的术语才能获得良好的精度。
We study the photon trident process, where an initial photon turns into an electron-positron pair and a final photon under a nonlinear interaction with a strong plane-wave background field. We show that this process is very similar to double Compton scattering, where an electron interacts with the background field and emits two photons. We also show how the one-step terms can be obtained by resumming the small- and large-$χ$ expansions. We consider a couple of different resummation methods, and also propose new resummations (involving Meijer-G functions) which have the correct type of expansions at both small and large $χ$. These new resummations require relatively few terms to give good precision.
