有效质量

We deduced the variation of the effective mass with the slab thickness.

2采用改进的线性组合算符法，研究了上述系统的有效质量。

The effective mass approximation model can very well describe the behaviors of the excitons confined in the dots.

有效质量近似模型可以很好地描述激子的基态能量的量子尺寸效应。

In chapter four,we have studied the self-energy and effective mass ofelectron in a single heterostructure using Green′s function method.

在第四章中，我们使用格林函数方法研究了异质结中极化子的自能和有效质量。

In the relativistic σ-ω model, the influence of the parameters in self-interaction of σ meson to the equation of state of normal nuclear matter, especially, to incompressibility, effective mass, and coupling constants, is studied in detail. We find that these parameters have an intense relationship to the property of nuclear matter.

在相对论σ-ω模型里，详细讨论了σ介子的自相互作用参数对正常核物质物态方程的影响，特别是对核物质的不可压缩系数、有效质量，以及σ介子与核子、ω介子与核子之间的耦合常数的影响，发现这些参数与核物质的性质之间有紧密的联系。

Temperature dependence of the effective mass of the strong coupling magnetopolaron in polar crystals are studied by means of an improved linear combination operator method.

采用改进的线性组合算符法研究极性晶体中强耦合磁极化子的有效质量与温度的关系。

The system we selected is the positive donor ion located in the centers of GaAslGaAsAl quantum well (doped density of Al is 0.33) in the process of calculation. We take the center of well as the origin of coordinates. We noticed that the electron"s effective mass is different in the well and in the barrier, but didn"t pay attention to the mismatch of the dielectric constant.

在计算过程中，我们选取的体系是0中心的正施主离子处于 GaAS／GaAsAI（其中以的搀杂浓度为 0.3 3）量于阶中心，把量子阶中心选作坐标原点，考虑了在阶中和垒中电子的有效质量的不同，但没有考虑在阶中和垒中介电常数的失配性。

In recent years effective masses have more commonly been determined through measurement of band structures using techniques such as angle-resolved photoemission.

近年来有效质量常通过测量能带结构的方法来确定，比如角分辨光发射谱。

Through photoemission experiments,the 3d- 4s hybridization and very high density of 3d states can be demonstrated clearly.

由于杂化使得3d带的空穴参与了导电过程，而高的态密度使其具有极高的有效质量。

In the specific quantum numbers configuration of holon-isospin excitation where the excited momentum approach to the ground state, the dispersion relations can be expected as a quadratic dispersion, so we can define the effective mass of the spin wave excitation.

在激发能动量接近基态的特殊的isospin 量子数选取下，可以把色散关系看成为二次函数的形式，由此得到了有效质量与能隙、激发态动量的关系。

Effective - mass tensor ; density of state ; electron velocity ; crystal momentum ; quasi classical partical ; constant - energy surface

有效质量张量；态密度；电子速度；晶体动量；准经典运动；等能面

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。