The tunneling effect of the Cooper pairs in a Superconductor?Insulator?Superconductor?Insulator?Superconductor(SISIS) structure is analyzed by Feynman?like method, and the equations describing the electric current are obtained.

• 采用Feynman方法分析了超导体-弱连接-超导体-弱连接-超导体结构(SISIS结)中的电子对隧道效应；得到了描述该效应的基本方程组.