It is found that, because of the tunneling effect of the Cooper pairs, an alternating current exists which can be expressed by an elliptic function.

• 结果表明；在没有任何外部因素(如外电压、外磁场等)影响时；完全由于SISIS结内部的电子对隧道效应；在SISIS结中会出现交流电；这种交变电流用椭圆函数表示.