摘要：根据电磁辐射场的量子化理论,结合SU(1,1)Lie代数理论和SO(3)Lie代数理论,得到原子系统光发射的量子论。作为例子,结出了氢原子发射时原子的跃迁寿命。

关键词：原子;氢原子;跃迁;寿命

Abstract：Based on the theory of SU （1，1） Lie algebra and SO（3） Lie algebra in the electromagnetic radiation field the quantum theory of light emission for atom system is discussed in detail．An example of transition lifetime of hydrogen atoms of light emission is given． 

Keywords：atom；Hydronenatom；transition；lifetime