...以,人们把尺寸相当于或小于相位相干长度,比原子、分子的尺寸大得多但又不是宏观的体系,称之为介观体系(mesoscopic systems). 在介观体系中,电子波函数的相干长度与体系的特征长度相当,电子不能看做是在外场中运动的经典粒子,电子的波动性在输运过程中...
基于16个网页-相关网页
persistent current of mesoscopic systems 介观物理系统的持续电流
These low dimensional mesoscopic systems that allow energy band to be tailored, quantum size effect and so on give rise to many novel and marvelous phenomena and thus have received much current attention.
在低维介观体系中,能带人工可剪裁性、量子尺寸效应等产生了许多新现象和新效应,并因此受到人们的广泛关注。
参考来源 - 导体量子点中电子能量和性质的研究Our aim is to explore the physical mechanisms of the new effects in mesoscopic systems, and to supply physical models and make theoretical validity in designing novel quantum devices with better properties.
其目的 在于揭示介观系统中的新效应的其物理机制,并为设计和实现具有优良性 能的量子器件提供物理模型和理论依据。
参考来源 - 介观系统中的电子输运This shows that the role of contact is very important, and is worth to seriously investigate in the transport of mesoscopic systems.
因此接点问题对介观体系具有进一步的研究价值。
参考来源 - 纳米结构体系中电子输运及接点问题的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
In the last few years, much attention has been paid to the study of shot noise in the mesoscopic systems.
最近几年,很多工作者研究了介观系统的散粒噪声。
Secondly, a standard quantum mechanical formalism of quantum coherent oscillation is given, which apply either to macroscopic systems, or to micro- and mesoscopic systems.
其次,给出量子相干振荡的标准量子力学理论,它既适用于宏观系统,亦适用于微观和介观系统;
The meaning of dephasing length, which determines the size of a mesoscopic system, and several important topics in the physics of mesoscopic and low-dimensional systems are described.
本文简单叙述了决定介观体系尺寸的退相位长度的物理含义,以及目前在介观和低维体系中值得关注的几个物理问题。
应用推荐