精细结构常数的物理意义和理论计算

The Physical Significance and Theoretical Calculation of the Fine-structure Constant

本文介绍原子物理学中重要的无量纲常数之一的精细结构常数的由来,讨论它的物理意义和理论计算。

The fine-structure constant is an important zero dimension constant in the atomic physics. This article introduces the origin of fine-structure constant, and discusses its physical significance, and theoretical calculation.