采用一维量子波导理论研究了带有一个stub的双介观环结构中的电子输运.在满足波函数的连续性以及电流的闭合性的情况下,得出了透射系数的解析表达式,并根据此表达式分析了电子的输运特性.结果显示;电子的透射系数随两个环的半周长、两环的间距以及stub的长度和位置有规则地振动,适当的调整两个环的半周长、两环的间距以及stub的长度和位置等参数中的任何一个,都能使电子透射系数达到100%.
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