Experimental imaging and atomistic modeling of electron and hole quasiparticle wave functions in InAs/GaAs quantum dots
Experimental imaging and atomistic modeling of electron and hole quasiparticle wave functions in InAs/GaAs quantum dots
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DOI：
10.1103/physrevb.76.075338
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发表时间：
2007-08-01
影响因子：
3.7
通讯作者：
Lorke, A.
中科院分区：
文献类型：
--
作者：
Bester, G.;Reuter, D.;Lorke, A.
本文给出了自组装InAs/GaAs量子点的磁隧穿实验结果和准粒子电子和空穴波函数的原子赝势计算。预测理论与实验结果的结合使我们能够直接了解量子态。我们监测了(i)相关性、（ii）原子对称性和（iii）压电性对受限载流子的影响，以及（iv）观察到违反Aufbau原理的特殊空穴充电序列。
We present experimental magnetotunneling results and atomistic pseudopotential calculations of quasiparticle electron and hole wave functions of self-assembled InAs/GaAs quantum dots. The combination of a predictive theory along with the experimental results allows us to gain direct insight into the quantum states. We monitor the effects of (i) correlations, (ii) atomistic symmetry, and (iii) piezoelectricity on the confined carriers and (iv) observe a peculiar charging sequence of holes that violates the Aufbau principle.