介质中原子光子反冲的微观理论
Microscopic Theory of the Photon Recoil of an Atom in a Dielectric
摘要：
原子发生自发衰变时会反冲.本文提出了一种源原子在介质中反冲的微观计算方法。我们发现源原子以正则光子动量$n\hbar k_{0,}$反冲，其中$n$是折射率，$\hbar k_{0}$是在源原子原子频率$ω_{0}$下计算的光子动量。我们还明确地显示了如何与介质内的光子的能量守恒。
英文摘要：
An atom recoils when it undergoes spontaneous decay. In this paper we present a microscopic calculation of the recoil of a source atom imbedded in a dielectric medium. We find that the source atom recoils with the canonical photon momentum $n\hbar k_{0,}$ where $n$ is the index of refraction and $\hbar k_{0}$ is the photon momentum calculated at the source atom atomic frequency $ω_{0}$. We also show explicitly how the energy is conserved with the photon inside the medium.
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