局域态
- 网络localized state
-
结果指出,在室温下该薄膜的电导主要由带尾局域态决定。
As a result , it is found that the film conductance at room temperature is decided by localized state composition at band tail mainly .
-
因此,在实验中要调整好泵浦光脉冲的脉宽与能量的关系,脉宽越窄,单脉冲能量越大,可以保证局域态在一个脉冲时间内建立。
So in experiments the width of pulse and energy of pulse must be provided properly . The narrow pulse with great energy can make the localized state form in one pumping pulse .
-
在U(t,t′)方法框架下局域态密度的计算
Calculation of Local Density of States in the Framework of U ( t , t ′) Methods
-
另外,计入U、V使得电荷密度发生了重新分布,而且在缺陷及其周围格点上出现了束缚电荷;费米能级向能量升高的方向移动,并且在新的费米能级点出现了电子局域态。
Coulomb interaction V causes the inhomogeneous distribution of charge density , Fermi energy shift to high energy position and new Localized states appears .
-
差热分析、电子顺磁共振、X射线和电子衍射实验表明:该现象对应着样品中的非晶相晶化的过程,变化中电子态由局域态转变成扩展态。
The experiments show that the transformation process is corresponding to a crystallization process from noncrystal to crystal of the amorphous phase in the samples and in the process the electron state changes from localized to extended state .
-
用有限时域差分法(FDTD)和Padé近似分析了二维光子晶体的能带结构和缺陷引起的局域态。
The band structure of 2D photonic crystals ( PCs ) and localized states resulting from defects are analyzed by finite-difference time-domain ( FDTD ) technique and Pad é approximation .
-
我们通过模型计算,证实了在紧束缚模型下,Zigzag石墨带不存在带隙,是金属型,并且存在边界局域态。
Through the calculation , we prove that there is no band gap for Zigzag structure under the tight binding model . And edge states exist in this system .
-
本文建立Anderson体系的泛函积分理论中无穷阶独立谐波展式及其相应的磁化率X(T)和局域态平均电子数n1(T)的展式;
An expansion with infinite independent harmonics in a functional integral approach and the corresponding expansions of susceptibility X ( T ) and occupation number of electrons in localized states n1 ( T ) for Anderson system are derived in this paper .
-
由于Si-As成键而使Si的价带顶稍稍位移,局域态密度(LDOS)幅值明显下降。
The top of the valence band of Si has a slight shift due to the bonding between Si and As , and the amplitude of local density of states ( LDOS ) has a significant decrease .
-
数值计算结果表明,一维无公度系统Aubry模型存在扩展态、中间态和局域态。
Using numerical calculation , it is found that there are extended states , intermadiate states and localized states in the Aubry model of one-dimensional incommensurate systems .
-
结果发现,在无序存在和绝热条件下,BEC呈现出安德森定域化现象;局域态的中间区域宽度和尾部形状均受非线性空间调制影响。
The results show that there exists Anderson localization in the presence of disorder and adiabatic condition , It was found that the nonlinear spatial modulation has influence on the central region and the tail of the localized state .
-
伸展指数衰减函数中弥散指数β不仅不随温度变化,在250K也不随辐射能量变化,表明载流子的弥散过程由局域态之间的跳跃所主导。
The dispersive exponent β is not only independent of temperature , but also independent of emission energy at 250K , which indicates that the stretched exponential kinetics results from hopping of carriers among localized states .
-
能隙对称性;自旋涨落;局域态密度。
Gap Symmetry ; Spin Fluctuation ; Local Density of States .
-
氢化非晶硅局域态电荷密度的解析统一模型
An Analytic Unified Model of Trapped Charge in a-Si : H
-
通过格林函数可获得局域态密度。
The local density of states is obtained through Green function .
-
同时,电子&电子相互作用也会对边界局域态造成一定的影响。
At the same time , electron-electron interaction also influences the edge states .
-
一维纳米材料中电子局域态分布
Distribution of electronic localization in one-dimension nanometer material
-
一维无序体系的振动局域态
The localization of vibration in one-dimensional disordered system
-
泵浦强度强,局域态形成的时间越短。
Stronger the pumping intensity is , shorter the formation time of localized state .
-
量子围栏中的表面电子局域态密度及其模拟
The local density of states of surface electron in the quantum corral and simulation
-
介质阻挡放电中的局域态六边形结构
Localized hexagonal structure in dielectric barrier discharge
-
量子点的局域态密度明显依赖于点内的电子占据数。
The local density of states depends appreciably on the electron occupation of the dot .
-
渐近准周期势场中电子的局域态、扩展态和迁移率边界
The Localized State , Extended State of Electron and Mobility Edges in Asymptotic Quasiperiodic Potentials
-
而电子局域态密度分布在高能区的金属易失去电子,进行氧化反应。
The metal is easy lose electron when the density of electronic state spread is high .
-
一维杆状声子晶体振动中的表面局域态研究
Research on the surface localized vibration modes in one dimensinal phononic crystals composed of rod structures
-
氢分子吸附后,费米能级处的局域态密度增加。
The local density of states at the Fermi level increases with the adsorption of hydrogen molecules .
-
结果表明,在弱场情况下,激子主要在局域态之间隧穿;
Results show that for a weak field , the exciton mainly oscillates between two localized states ;
-
然后逐点计算局域态密度发现,在实空间准束缚态是一个非常局域化的效应,离开缺陷即迅速衰减。
The corresponding image of local density of states in real space shows a highly localized state around the defect .
-
光轴无序度增大时,出现扩散态向局域态的转变。
When the extent of disorder of optic axis increase , the state transition from diffusive regime to localized regime occurs .
-
模拟结果显示非增益介质中的局域态相当于传统激光腔的腔模,随机激光是由局域态谐振产生的。
In the presence of gain , any one of the localized modes can be amplified and serves as random lasing modes .