本文主要评述和介绍半导体微结构中自旋轨道耦合的研究和最近的研究进展.我们细致地讨论了半导体微结构中自旋轨道耦合的物理起源和窄带隙半导体量子阱中的自旋霍尔效应.我们发现目前国际上广泛采用的线性Rashba模型在较大的电子平面波矢处失效:即自旋轨道耦合导致的能带自旋劈裂不再随电子波矢的增加而增加,而是开始下降,即出现强烈的非线性行为.这种非线性的行为起源于导带和价带间耦合的减弱.这种非线性行为还会导致电子的D'yakonov-Perel'自旋弛豫速率在较高能量处下降,与线性模型的结果完全相反.在此基础上 ...
杨文, 常凯
core
[Longitudinal moderating effect of depressive symptoms on the predictive relationship between self-concept clarity and meaning in life]. [PDF]
Luo W, Chen X, Wang X, Yan C.
europepmc +1 more source
在生成式AI(Generative AI)的飛速發展之下,社會各界關注其可能取代人類工作的風險。專家指出,具備有效使用生成式AI能力者,能提升職場競爭力、降低被淘汰之風險,學習使用生成式AI成為加強職場競爭力的重要技能,大型語言模型(Large Language Model)如ChatGPT也成為職場工作者的熱門生產力工具。「提示工程」(Prompt engineering)做為人類與生成式AI有效溝通之技術,本研究將從「提示工程」角度出發,關注職場工作者與生成式AI互動時的行為模式 ...
莊皓揚
core
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[Evaluation of the efficacy and safety of reduced-dose emicizumab in infants with severe hemophilia A: a single-center real-world study]. [PDF]
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Yang D +5 more
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[Short-term effectiveness of arthroscopic Lasso-Loop suture combined with Suture Tape augmentation in treatment of lateral ankle instability]. [PDF]
Bu Q, Yao W, Zhang Y, Han F.
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