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LASER|ASSISTED ELECTRON|ATOM COLLISIONS:THE KROLL|WATSON FORMULA AND THE SECOND BORN APPROXIMATION ? 激光辅助电子-原子碰撞K-W公式与第二玻恩近似
The second Born approximation obtains better results compared with the experimental data. 和实验相比较,第二玻恩近似方法给出了较好的结果;
The results show that the second Born approximation can succeed in bichromatic laser fields compared with the results of the First Born approximation. 结果表明，二阶玻恩近似理论在多模激光场中的应用也是比较成功的。
In order to test these results, the differential cross sections of e-Ar scattering are calculated with the static screen potential by the second Born approximation and low-frequency formula, respectively. 利用静电屏蔽势,分别应用低频近似和第二玻恩近似公式对激中电子氩原子散射进行了计算。
In this paper, we extend the second Born approximation(SBA) to circular polarization laser, calculate the differential cross section(DCS) of laser assisted e He with multiphoton exchanging and analyze the results. 把二级玻恩近似 (SBA)的方法推广至圆极化激光场 ,计算了发生多光子交换时的激光辅助电子被氦原子散射的微分散射截面。
On the second Born approximation for laser-assisted e-Ar scattering 第二玻恩近似理论研究激光辅助e-Ar散射
second Born approximation 微分截面
The Born approximation assumes that the incident and the outgoing particle can be described by plane waves. 玻恩近似假定入射粒子和发射粒子都可以用平面波来描述。
The computational results are in accord with the results of plane wave Born Approximation. 计算结果与平面波玻恩近似结果符合得较好
Phase control of free-free transitions in bichromatic laser field is investigated employing the Born approximation. 本文利用玻恩近似理论对双模激光场中自由-自由跃迁过程中的相位影响进行了初步研究。
By using first Born approximation of quantum mechanics and analytic wowe function of H and Heatom,their elastic and differential inelastic collision cross section is computed. 应用量子力学第一玻恩近似和氢原子与氦原子的解析波函数,计算了它们弹性碰撞和各种非弹性碰撞截面。
I just quack landing (second born).I would like to embrace the world of my heart to know friends from all over the world! 因为我刚呱呱落地（第二次出生）．我愿用赤诚的心去拥抱这个世界，认识天下的朋友！
The peripherality of this reaction was also verified by changing the radial parameter limit in distorted wave Born approximation(DWBA) calculations. 通过改变DWUCK4程序中径向积分的下限,验证了该反应的周边性。
Antihydrogen formation in the laser-assisted positronium- an tiproton collision is investigated in the first Born approximation. 在一级玻恩近似下 ;研究了在激光辅助的电子偶素反质子碰撞中的反氢合成 .
Antihydrogen formation in the laser-assisted positronium-antiproton collision is investigated in the first Born approximation. 摘要在一级玻恩近似下，研究了在激光辅助的电子偶素-反质子碰撞中的反氢合成。
The magnetoresistance of the granular films with two distinct magnetic phases has been calculated by using Born approximation. 用玻恩近似方法计算了两类不同磁相的颗粒膜的磁电阻 .
For axial loads of alternating direction these bearings must be combined with a second bearing. 当轴向负荷为交替方向时,这些轴承必须与另一个轴承组合。
The nonlinear inversion equation based on the extended Born approximation was derived, the two-step inverse method for reconstructing the conductivity profile was presented. 基于扩展玻恩近似和电场积分方程,建立起非线性反演方程,然后应用两步线性反演方法进行迭代反演。
The distorted-wave Born approximation has been used in the calculation of the inelastic scatterings and treating the low-lying excited levels as pure vibrational states Meawhile. 低激发态的非弹性散射采用扭曲波玻恩近似(DWBA),并认为这些低激发态是纯粹的振动态。
The nonlinear integral equation is first linearized by using Born approximation, and then the measurements are used to reconstruct the twodimensional inhomogeneous media by using the Born iterative method and the distorted Born iterative method. 首先借助于玻恩近似将非线性积分方程线性化，然后，利用玻恩迭代法和变形玻恩迭代法，由散射场数据对轴对称二维非均匀介质进行重建。