phonon

While the ultrafast longitudinal optical ( LO) phonon scattering in AlGaN/ GaN QWs can be used for the rapid depopulation of the lower laser state, the large LO-phonon energy (-90meV) can effectively reduce the thermal population of the lasing states at higher temperatures.

在量子阱AlGaN/GaN中纵向光学（LO）声子散射的能够迅速的消除激光低能态的布居数，GaN的大LO声子能量（约90meV），有效地减少高温下产生激光低能态的热布居。

Therefore, in this thesis Matsubara Green function theory has been used to explore magnon excitations and phonon excitations of two-dimensional Heisenberg ferromagnetic system under magnon-phonon coupling.

因此本文利用松原格林函数理论系统地研究了磁振子&声子耦合下的二维Heisenberg铁磁系统的磁振子激发与声子激发。

Antiferromagnetic transition has soft modulus effect while martensitic transformation also accompanied by a soft phonon mode.

反铁磁转变存在模量软化,马氏体相变也具有声学软模.

In section 4, the properties of the vibration frequency, the interaction energy and the effective mass of the polaron in a parabolic quantum dot, which is a strong-coupling with LO phonon, are reached.

在第四节中研究抛物量子点中与LO声子强耦合极化子的振动频率、相互作用能和有效质量的性质。

Effect of Spin Phonon Coupling on Spin 1/ 2 Heisenberg Antiferromagnet on a Square Lattice

自旋-声子耦合对正方晶格自旋-1/2反铁磁体的影响

These results indicate that choosing an appropriate contact shape can enhance the acoustic phonon thermal conductance.

这些结果表明，选择合适形状的接头在一定程度上可以提高声学声子在半导体纳米线中的热导率。

Chinese knot the theoretical estimation of detected phonon signal in superconducting tunneling junction

超导结声子检测器中信号幅度的理论估算

At high temperatures, the phonon scattering has an impact on the suppression of the mobility peak and the spin polarization.

声子散射在高温时对电荷迁移率的峰值结构和自旋极化有很强的抑制作用。

Strict Analytical Solution of Phonon Spectrum in Three-dimensional Face Centered Cubic Crystal

三维面心立方晶体声子谱的严格解析解

The probability of obtaining a lattice atom displacement via the phonon kick process is evidently small.

很明显,通过声子反冲过程而取得晶格原子位移的几率是不大的.

Thequasi equilibrium relaxation occurs via elastic and inelastic scattering and the emission of longitudinal optical phonon.

通过弹性和非弹性的碰撞,发射纵波光学声子,半导体中发生准热平衡驰豫.

Study on Phonon Structure of Monatomic Simple Cubic Nanometer Crystal Particle

简立方单原子纳米晶体颗粒的声子结构研究

Phonon Spectrum and Thermal Properties of Carbon Nanotube

碳纳米管的声子谱与热特性研究

Numerical calculation of the electron-phonon coupling relaxation time in pulse laser ablation

脉冲激光烧蚀中电声弛豫时间的确定

The ratio of electron spin energy to the interaction energy between electron and LO ( longitudinal optical) phonon decreases with increasing z, so does the ratio of electron spin energy to the interaction energy between polarons.

电子自旋能量与电子和LO（体纵光学）声子之间的相互作用能之比以及与声子之间的相互作用能之比都随z增加而减小。

In the p-type case, we also predict rich nonmonotonic features in the temperature and density dependences of the hole spin relaxation time, which result from the variation of the hole-impurity and hole-phonon scattering strength.

在p型材料的研究中，我们也预言了空穴自旋弛豫时间丰富的非单调温度、浓度依赖关系。

Surface phonon dispersions on cu ( 100) studied by the embedded atom method

用嵌入原子方法研究Cu（100）面声子色散

Generally, the confinement effect obtained through multiple interfaces, which is considered as grain boundary, can effectively reduce the propagation of phonons in all directions. Meanwhile, the interface effect is usually used to reduce the thermal conductivity by phonon scattering.

限域效应是通过多个界面（这里可以看作晶界）来实现的，可以有效地降低声子在某些方向的传播从而降低热导率，界面效应对声子散射也通常用来降低热导率。

The phonon Green's function of monatomic simple cubic nanometer crystal particle is deduced with Dyson's equation in this article.

应用Dyson方程推导了简立方单原子纳米晶体颗粒的声子格林函数。

Influence of the electron phonon interaction on s electron effective thermal mass and specific heat in noble metal

电子声子相互作用对贵金属S电子有效热质量与比热的影响

Phonon vibration and spin correlation of laba_2cu_ ( 3-x) co_xo_y

LaBa2Cu（3-x）Co xO y体系中声子振动和自旋关联的研究

In this paper, the properties of the interaction between surface electron and surface optical phonon for a polyatomic crystals in magnetic field is studied.

本文研究磁场中多原子晶体中表面电子和表面光学声子相互作用的性质。

Influence of electron phonon interaction on third harmonic generation in a quantum wire with parabolic potential

电子-声子相互作用对抛物量子线中三次谐波产生的影响

In the case of realistic impurity and phonon scatterings, the longitudinal conductivity is shown to depend on the spin-orbital coupling strength, though the transverse conductivity remains zero.

处理中我们同时考虑了杂质和声子散射，这时横向电荷电导仍旧等于零，而纵向电荷电导变得依赖于自旋轨道耦合强度。

Due to increased phonon scattering, the Si nanowire nanocomposites with modification are expected to achieve lower thermal conductivity and larger thermoelectric conversion efficiency.

由于声子散射增强，经过修饰的si纳米线复合结构的热导率可以进一步降低，从而获得更大的热电转换效率。

The critical driving force martensitic pretransition has been calculated based on the Hamiltonian containing electron-phonon interaction.

基于电子 - 声子相互作用计算了马氏体预相变的临界驱动力.

The phonon dispersion relations of magnesium aluminium spinel MgAl 2 O 4 are calculated by using frozen phonon method.

本文利用冻结声子法计算了镁铝尖晶石的声子色散关系和常压下的各种热力学性质.

The calculated phonon frequencies and polarization of Ag ( 110 ) surface are in accord with experimental results.

计算的Ag ( 110 ) 表面声子谱频率和振动极化方向在全部区间内与实验数据符合得很好.

Moreover, the influences of the non-nearest neighbor hopping interactions and electron-phonon coupling on the distribution of the charge density and spin density are also discussed.

此外，对系统中的电荷密度和自旋密度分布受非最近邻电子跳跃相互作用和电-声耦合的影响情况亦进行了讨论。

Dili after listening to a few electron on the electron-phonon market focus with great concentration.

帝听电子历经数载,潜心专注电声市场.