Volume 2,Issue 9
非共度势对长程模型量子输运的影响
非共度势(Incommensurate Potential)作为一种特殊的无序势能,因其准周期性特征在低维量子系统中诱导出丰富的物理现象。本文中通过在一维非对称能带的长程耦合模型下,加入了非共度势能的影响,探究了二者在有温耗散、非共度势能加剧,调控频率改变三个因素下的竞争协同效应。并发现了二者在有温耗散下,反向输运显著增强了对于温度耗散的鲁棒性,这体现它们的合作性。而在增强非共度势能后则出现了迁移率边、迁移率带等现象,最后还探究了调控频率对于量子干涉现象的影响。
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