在垂直耦合双量子点中探测到大核 Overhauser 场
介观与纳米尺度物理
2009-11-13 v2 量子物理
摘要
我们报道了在双 GaAs 垂直量子点的自旋阻塞区域中动态核极化的电诱导与探测。观测到的最大 Overhauser 场约为 4 特斯拉，对应于当前器件中约 40% 的核极化。我们提出了一个唯象模型，以定性理解我们的结果。
引用
@article{arxiv.0705.1104,
title = {Large nuclear Overhauser fields detected in vertically-coupled double quantum dots},
author = {J. Baugh and Y. Kitamura and K. Ono and S. Tarucha},
journal= {arXiv preprint arXiv:0705.1104},
year = {2009}
}
评论
5 pages, 4 figures, rev-tex. Improved presentation of figures 1-3, also added SEM image to figure 1. Minor changes to discussion section, and added a concluding paragraph