论文标题
非绝热校正和非互动量子点系统的绝热标准
Nonadiabatic Correction and Adiabatic Criteria of Noninteracting Quantum Dot Systems
论文作者
论文摘要
我们从理论上研究了单级量子点的非相互作用电子模型中电荷泵的非绝热校正。我们得出了参数驾驶速度极限的公式，以实现绝热抽水，并在宽带极限中说明其特征。我们根据典型的速度极限讨论了非绝热校正的效果，该速度极限是通过平均在参数轮廓上的速度限制来定义的。我们还表明，当绝热性崩溃发生在与带边缘的储层中的量子点中时，典型的速度极限会消失。
We theoretically study nonadiabatic corrections for charge pumping in a noninteracting electron model of a single-level quantum dot. We derive a formula for the velocity limit of parameter driving to realize adiabatic pumping and illustrate its features in the wide-band limit. We discuss the effect of the nonadiabatic corrections in terms of a typical velocity limit, which is defined by averaging the velocity limits on the parameter contour. We also show that the typical velocity limit vanishes when the adiabaticity breakdown occurs in a quantum dot coupled to reservoirs with a band edge.
