准二维系统中光学活性带电激子的稳定性
凝聚态物理
2009-10-28 v3
摘要
我们在均匀垂直B场存在下，精确数值求解了带负电的准二维激子（）。研究了各种准二维几何结构。发现平行于B场的电荷分布对于确定光学活性的稳定性及其光致发光（PL）特征至关重要。该理论对最近在GaAs量子阱中获得的实验结果提供了定量解释。发现了无法在最低朗道能级近似内描述的效果。PACS: 78.20.Ls 78.66.-w 73.20.Dx
引用
@article{arxiv.cond-mat/9610176,
title = {Stability of optically-active charged excitons in quasi-two dimensional systems},
author = {James R. Chapman and Neil F. Johnson and V. Nikos Nicopoulos},
journal= {arXiv preprint arXiv:cond-mat/9610176},
year = {2009}
}
备注
Minor revisions, mainly removal of the term trion in favour of the term charged-exciton to comply with Physical Review B. To be published as a Rapid Communication in Physical Review B