持续电流
- 网络persistent current;continuous current;follow current
-
所以,我们能够在实验中通过测量物理量(如持续电流和零场杂质站磁化率)随环周长的变化关系而探测Kondo关联长度。
Detect the Kondo screening cloud by measuring the persistent current and the zero field impurity susceptibility directly in future experiments .
-
在二级微扰变分近似下得出了其基态能量表达式和基态持续电流表达式,并在库仑排斥势趋于无穷大的假设下,得到了系统Kondo温度及持续电流的数值计算结果。
The explicit expression of the ground state energy and the persistent current of the system are obtained by a second order variational perturbation approximation method .
-
OPGW断股机理是:大电流闪击电弧造成>1k°C的局部熔融区,紧跟持续电流扩展熔融区造成高温熔断,多次雷电冲击可造成多处熔伤和溅伤累积。
The mechanism of breaking is that firstly arc formed by instant high current causes partial melting zone , and at last the following several lightning impulses cause more melting .
-
铁磁自旋波对介观环中持续电流的影响Ⅱ.Peierls失稳中magnon的作用
Influence of Ferromagnetic Spin Wave on the Persistent Currents in the Texture Mesoscopic Ring Influence of Magnon on the Peierls Instability
-
主要的兴趣在于:(ⅰ)Kondo共振对介观环持续电流的影响;
Main matters of interest are : ( I ) the effect of the Kondo resonance on the persistent current ( PC ) induced by a magnetic flux in this dot-ring system ;
-
在菱形石墨环(DGRs)中,我们分别计算了扶手型和锯齿型DGRs中的电子结构与持续电流。
In diamond-like graphene rings ( DGRs ), we calculate the electronic structures and the persistent currents in armchair and zigzag DGRs respectively .
-
研究的结果表明,在这个系统中,当两个量子点处于强耦合时,两个量子点可以相干耦合成一个人造分子,导致一个增强的Kondo效应和超强持续电流的出现。
Our results show that when the system goes into the strong coupling regime , two parallel dots can be coupled coherently , which leads to an enhanced Kondo effect and a giant persistent current emerging in this system .
-
研究了依赖于时间和强度耦合J-C模型.结果显示,持续电流的幅度不仅受耦合的强度而且还受耦合的相对方向的共同影响。
The effects of bunching and antibunching of light field in the time-dependent and intensity-dependent J-C model are investigated . The research results indicate that the amplitude of persistent currents in mesoscopic rings depend not only on the coupling intensity but also on coupling direction .
-
二维介观环中持续电流的梯度无序效应
Effects of gradient disorder on persistent currents in two-dimensional mesoscopic rings
-
含双δ势垒三臂量子环的透射概率和持续电流
Tunneling coefficient and persistent current in triple-arm quantum ring with double δ barrier
-
基于介观持续电流与超导电流的讨论
A Discussion on Mesoscopic Sustained Current and Superconductivity Current
-
介观金属双环系统中的持续电流和量子能谱
The persistent current and the quantum energy spectrum in mesoscopic metal dual rings
-
介观物理系统的统计物理和持续电流
Statistical mechanics of mesoscopic system and persistent current
-
用于超导储能系统的变压器持续电流开关的研究
Studying of a transformer-type persistent current switch used in superconducting magnetic energy storage system
-
所以,我们断言互作用的精确形式对研究持续电流不是关键的。
Therefore we conclude that the precise form of the interaction is not determinative .
-
介观耦合金属环中的持续电流
Persistent currents in mesoscopic coupling metallic ring
-
其中一个非常奇特的介观现象是正常介观环中的持续电流。
One very different and uniquely mesoscopic phenomenon is the persistent current in normal mesoscopic rings .
-
同时,我们对含有一个边祸合量子点的介观环中的持续电流作了研究。
At the same time , we study the persistent current in a mesoscopic ring with a side-coupled quantum dot .
-
结果显示,持续电流的幅度不仅受耦合的强度而且还受耦合的相对方向的共同影响。
The research results indicate that the amplitude of persistent currents in mesoscopic rings depend not only on the coupling intensity but also on coupling direction .
-
在表面无序区无梯度衰减时,持续电流随无序度的变化先减小后增大,观察到类弹道和局域性的转变。
In the absence of disorder gradient , the persistent current firstly decreases and then increases with disorder strength , indicating a localized-ballistic-like transition existing there .
-
发展了一种计算多臂量子环中持续电流的等效研究方法,并利用此方法计算了电子通过三臂量子环的持续电流。
We developed an equivalent method to investigate the persistent current in the ring with multiple arms and then applied to the triple-arm open AB rings .
-
采用自由单电子模型,得到了考虑电子自旋后一维正常金属介观环中持续电流的解析及数值计算结果。
This paper reports the analytic and numerical results of persistent currents in one dimension mesoscopic rings with the free electron model by taking spin into consideration .
-
计算表明,在弱的无序区,持续电流随着边缘无序强度的增加而减小,而在强无序区,持续电流随着无序度的增加而增加。
It is shown that , in the stronger disorder regime the persistent current increases with the disorder strength , while it decreases in the weaker disorder regime .
-
本论文中,我们将从紧束缚模型出发,理论上探讨了量子尺寸与梯度无序效应对有限宽介观环中持续电流的影响。
In this thesis , we will employ the tight-binding model , and theoretically study the effects of quantum sizes and gradient disorder on the persistent current in finite-width mesoscopic rings .
-
当存在外壁无序时,持续电流的值在弱无序区随无序强度的增加而减小,而在强无序区随无序强度增加而增加。
In the presence of outer-wall disorder , it is found that in the regime of weak disorder , the persistent current decreases with disorder strength , while it increases in the regime of strong disorder .
-
论文包括以下几部分:第一章,简要介绍介观物理学中的一些基本概念,阐述了介观环中持续电流的基本理论与实验进展,分析了量子尺寸效应与无序对介观环中持续电流的影响机制。
The present thesis is organized as follows : In chapter 1 , some basic concepts of mesoscopic physics are briefly introduced , and then a brief review of basic theoretical and experimental investigations on the persistent current are presented .
-
结论:缺血后海马CAI区神经元持续钠电流增加是导致缺血性神经损伤的重要因素之一,盐酸氟桂利嗦抑制缺血性持续钠电流增加是其发挥缺血脑保护作用的重要机制之一。
Conclusions : The increase of the persistent sodium induced by ischemia may play a major role in the ischemia-induced neuronal injury , and flunarizine hydrochloride acts as neuroprotective agent through inhibiting the enhancement of persistent sodium current under ischemia condition .
-
全细胞膜片钳技术记录各组持续钠电流的基础值以及缺血3min和5min时钠通道电流的变化。主要观察指标:①脑海马CA1区神经元正常持续钠电流的记录。
Whole-cell patch-clamp was used to recorded basic value of persistent sodium currents and changes of sodium channel currents during 3-minute and 5-minute ischemia .
-
与只在每个脉冲末端采集电流的传统SWV不同,FT-SWV持续收集电流响应然后将其转换为频域频谱。
Other than traditional SWV in which currents are sampled only at the end of each pulse , FT-SWV continuously collects the current response and then transforms it into frequency domain .
-
结果表明,电磁铁持续工作电流为35A是合理的;x向电磁力在车体转弯或电磁铁有故障时对车子导向有影响;
Analysis and comparison results show that 35 A designed value is rational as the continuous working current of the magnet , that electromagnetic force in x direction affects the vehicle guidance during curve negotiation or magnet failure , and that partial saturation region in the rail should be optimized .