At the level of self-consistent Born approximation, the quantum transport of coupled dots under random voltages is studied by the quantum transport master equation. 结合自洽玻恩近似,用量子输运主方程理论研究了串联双量子点在任意电压下的输运问题。
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。
Compared these results with other inert atom scattering, the results show that the second Born approximation succeed in explaining electron and heavy inert atom scattering in laser field. 并对计算结果进行了分析,对比电子与其它惰性原子散射过程,表明用二阶玻恩近似理论解释在激光场下电子与较重惰性原子散射也是比较成功的。
The nonlinear problem is linearized at each step by using Born approximation. Meanwhile, the inverse integration equation is derived. 首先利用玻恩近似将非线性积分方程线性化,然后应用变分方法导出用于反演的电场积分方程。
Analysis and Comparison of Born Approximation and Mie Scattering Born近似解与Mie散射解的分析比较
Research on the Quantum Transport of Coupled Double Dots in Mesoscopic Systems at the Level of Self-consistent Born Approximation 自洽玻恩近似下串联双量子点的量子输运研究
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;
Angle-domain common image gathers based on Born approximation 基于Born近似的角度域共成像点道集
The absolute differential cross sections of eAr scattering are calculated employing the second Born approximation with optical potential model and the best results are obtained. 应用这个较好的理论,利用光学势模型进行了计算,得到了更好的结论。
Momentum-space Calculation of Electron-impact Molecule in Distorted-wave Born Approximation 电子与分子碰撞动量空间畸变波玻恩近似方法
The Born approximation assumes that the incident and the outgoing particle can be described by plane waves. These differences are connected with the strong absorption of the composite projectiles. 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。这些差别与复杂的入射粒子的强烈吸收有关。
Based on the time dependent first order Born approximation, this paper presented a theoretical model which took into account the long-range interaction potentials of atom~ 1-state diatomic molecules. 理论模型基于一级含时波恩近似,只考虑长程相互作用势,在此基础上给出了原子与1态双原子分子体系的干涉势。
Due to situation that conventional Born approximation Fourier migration method can not image accurately the media with acute lateral variation of velocity, this paper puts forward variational reference slowness Born approximation Fourier migration method. It can theoretically solve the migration image problem of arbitrary velocity change model. 针对常规Born近似傅氏偏移方法对于剧烈横向变速介质不能精确成像的状况而提出了变参考慢度Born近似傅氏偏移,理论上解决了任意速度变化地质模型的偏移成像问题。
So using Born approximation can only obtain the location of interface even if the earth medium is little disturbance. 这样使得即使在满足弱散射的条件,运用Born近似反演技术,也仅可以获得界面位置,而得不到反射系数的真值。
Prestack depth migration method based on quasi-linear Born approximation 基于拟线性Born近似的叠前深度偏移方法
At the same time, the paper discussed the difference between inverse scattering series imaging and Born approximation imaging. 此外,讨论了Born近似与逆散射序列成像之间的差异。
According to the Born approximation solution of the scattering of three-dimensional elastic waves, the scattering from an ellipse void in a long Al rod is analyzed comparatively. 在三维弹性波散射问题的Born近似解基础上,进一步分析了在纵波入射条件下二维散射问题的Born近似解,对铝质长杆中的椭圆形空穴缺陷的散射场情况进行了对比分析;
In order to improve the stability of the algorithm, a prestack depth migration method based on the optimized Born approximation was proposed. 为了提高算法的稳定性,提出了基于最优Born近似的叠前深度偏移方法。
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。
Based on the linearization of the scattering electromagnetic integral equation, conductance imaging using iterative Born approximation is effective. 在线性化散射电磁场积分方程的基础上,采用迭代Born近似法进行了电导率成像反演。
The algorithm is based on Born approximation and Fourier transform, and avoids the iterative calculation in the nonlinear inverse scatting algorithm. So the buried objects can be detected and located rapidly. 该方法采用线性Born近似和傅里叶变换,避免了一般非线性逆散射算法的逐步迭代,因而可用于地下目标的快速检测和位置标定。
Numerical results indicate that the iterative inversion method improves resolution compared with other inversion methods based on Born approximation or second Born approximation or extended Born approximation, and has the same computational efficiency. 数值计算结果表明,这种迭代反演算法与基于Born近似、二阶Born近似和扩展Born近似的反演算法相比提高了成像分辨率,而计算效率相当。
Electron scattering from argon in laser field is investigated employing the second order Born approximation. The absolute differential cross sections of e Ar scattering with multi photon exchange in the special geometries G 1 and G 2 are calculated. 本文利用二阶玻恩近似方法(SBA)对激光辅助e-Ar的碰撞进行了研究,在两种特殊的散射几何G1和G2下,计算了交换多个光子的微分散射截面。
The inelastic scattering cross sections and angular distributions of discrete levels are calculated and analyzed by the distorted wave Born approximation theory based on the unified Hauser Feshbach theory and the exciton model. With the fitting procedure the neutron optical model potential parameters are obtained. 利用这组光学模型势参数,扭曲波玻恩近似理论,核反应HauserFeshbach理论和预平衡反应的激子模型,计算和分析了中子与116118120122124Sn反应分离能级的非弹性散射截面和角分布。
Our method is based on the Born Approximation and re-weighted regularized conjugate gradient ( RRCG) method. 我们采用了Born近似方法和重加权正则化共轭梯度法(RRCG)算法。
We presented the theoretical model of collisional quantum interference on rotational energy transfer in atom-diatom system, using the theories of time dependent Born approximation and quantum inelastic scattering, and taking into account the long-range interaction potentials. 应用含时微扰理论和量子非弹性散射理论,考虑一级含时波恩近似,长程相互作用和直线轨迹近似,建立了原子-双原子分子体系分子转动传能中的量子干步模型。
In order to make the 3D modeling more quickly by The integral equation method, some Approximation method was turned up, such as Born method 、 Extended Born approximation and Quasi-linear Method and so on. 出于对利用积分方程法快速进行三维模拟的需要,出现了很多的近似方法,如Born近似方法、局部非线性近似方法和拟线性近似方法等。
In order to improve the calculation accuracy, the higher-order generalized extended Born approximation ( Ho-GEBA) method is introduced, and the compression operator based on the iterative dissipation principle is used to improve the convergence of high order expansion. 为了提高计算精度,引入各向异性条件下的高阶广义扩展Born近似算法(Ho-GEBA),并且利用基于迭代耗散原理引入的各向异性条件下的压缩算子改善了高阶展开式的收敛性。
In this dissertation, we discuss the optical properties of light waves scattered from a linear, isotropic, and statistical stationary medium under the condition of first-order Born approximation. 本论文将在一级波恩近似条件下,研究光波经过线性的、各向同性的、统计稳定的介质散射后的光学特性。