Moreover, comparing two-band model, some new phenomena are found in our three-band model, i. e. , warping, avoided crossing etc.
并且，与两带模型比较，在三带模型中还出现一些新的现象，亦即：翘曲和避免交叉点等。
The two-band model is improved and the nonlinear susceptibility of narrow gap semiconductors are calculated in this paper.
本文改进了半导体两带模型，计算了窄禁带半导体的非线性极化率。
Within a two-band tight-binding model driven by a dc-ac electric field, we investigate the effect of external noise on the transport property of electrons in superlattices.
运用直交流电场驱动下的双带紧束缚模型，研究了噪声对超晶格中电子输运性质的影响。
By analyzing the vibration model of two-dimensional (2d), the elastic wave band gaps of 2d were calculated and the connection of the elastic wave band gaps with material characteristic was studied.
从二维周期性结构的振动方程出发，建立二维带隙计算模型，并在此基础上分析带隙与材料结构特性的关系。
The temperature characteristics of two-beam coupling in photorefractive crystal was discussed by using the one-carrier and one-level band-conduction model.
用单载流子一能级带导模型讨论了光折变晶体双光束耦合的温度特性。
The temperature characteristics of two-beam coupling in photorefractive crystal was discussed by using the one-carrier and one-level band-conduction model.
用单载流子一能级带导模型讨论了光折变晶体双光束耦合的温度特性。
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