第二章用解析方法研究一维分子晶体电子-声子耦合系统基态中晶格非线性效应。
In chapter two we analytically study the nonlinear lattice effects for the ground state of electron-phonon interaction one-dimensional molecular crystal system.
基态结合能随电子-声子耦合强度的增加而增大。振动频率随椭球的纵横比的增加而减少。
The ground state binding energy is increasing function of the electron-phonon coupling strength, whereas the vibrational frequency is decreasing function of the aspect ratio of the ellipsoid.
结果显示叠加态时的概率密度随着电子-声子耦合强度的增加而增大，随着量子点受限长度的减小而增大。
The results indicate that the electron probability density increases with increasing the electron-LO phonon strong coupling and decreasing the confinement length.
结果表明：电子-声子耦合达到一定强度时声学极化子有效质量发生突变而使极化子自陷，声学极化子在二维系统中比三维条件下更容易自陷。
The results indicate: the effective mass of an acoustical polaron undergoes a sudden increasing when thee-p coupling constant achieves the critical value and then the self-trapping occurs.
该体系涉及轨道与电荷、自旋的耦合，电子与声子的相互作用，有序态与无序态的竞争。
The system involves the coupling between charge and spin, the interaction between electron and phonon, and the competition between order and disorder state.
提出了纯金属电阻率的两个简化模型：一个统计模型，一个电子一声子耦合模型。
Two simplified models, statistical model and electron-phonon coupling model, for the ideal metal electrical resistivity have been put forward.
有不少的极性晶体，电子与体纵光学声子的耦合弱，但与表面光学声予的耦合强。
There is a weak bulk coupling but a strong surface coupling between the electrons and phonon for many polar crystals.
采用线性组合算符和幺正变换方法，研究了非对称量子点中电子和体纵光学声子强耦合下束缚磁极化子的性质。
The properties of bound magnetopolaron with strong electron-LO phonon coupling were studied using a linear combination operator and a unitary transformation method in an asymmetry quantum dot.
在考虑电子与LO声子相互作用和加电场的情况下，计算了抛物量子线中强耦合极化子的基态能量。
The ground state energy of strong-coupling polaron in parabolic quantum wires is calculated for the case where the electron interacted with bulk LO phonon and added electric field.
本文研究磁场中强耦合多原子极性晶体中表面电子和表面光学声子的相互作用。
In this paper, the interaction between surface electron and surface optical phonon for a strong coupling polyatomic polar crystals in magnetic field is studied.
导出了电子速度对半导体量子点中强、弱耦合极化子的声子平均数的影响。
The influences of the electronic velocity on the mean number of phonons of the strong-and weak-coupling polaron in a semiconductor quantum dot are derived.
有些极性晶体，电子与表面光学声子（SO）耦合强，与表面声学声子（SA）耦合弱。
There is weak coupling between the electron and SA phonon but strong coupling between the electron and SO phonon for many polar crystals .
研究了电子-体纵光学声子弱耦合情况下，抛物量子点中激子的性质。
Numerical calculations are performed for GaAs semiconductor as a example and the results show that the mean number of optical phonons of weak-coupling exciton decrease with the.
有不少极性半导体，电子与体纵光学声子的耦合弱，但与表面光学声子的耦合强。
There isa weak bulk coupling but a strong surface coupling between electrons and phonons for many ionic crystals.
有不少极性半导体，电子与体纵光学声子的耦合弱，但与表面光学声子的耦合强。
There isa weak bulk coupling but a strong surface coupling between electrons and phonons for many ionic crystals.
应用推荐