The Analysis and Improvement of Asymmetry Cascaded Multilevel Inverter Supersymmetric WKB Approximation and Morse Potential Exact Energy Spectra in SWKB Approximation Method 不对称级联型多电平变频器的分析及改进超对称WKB方法对Morse势能级的精确求解
Further more, by the energy level formula obtained in the previous paper and the module square of S& wave zero point wave function formula from WKB approximation method, we evaluating the leptonic decay widths of heavy quarkonium. 然后,再将我们在前一篇文章所得到的能级表达式与由WKB近似法所推出的S波的原点波函数的模方表达式结合起来,求出轻子衰变宽度。
Fourier Diffraction Imaging Under WKB Approximation WKB近似下的Fourier衍射成象方法
For microwave diffraction imaging, we use the WKB approximation to estimate the total field in the dielectric object. 对于介质目标微波衍射成象,本文引入了WKB近似来模拟目标内部总场。
Making use of Klein-Gordon equation, thin film brick-wall model and WKB approximation, we find the entropy of Vaidya-Bonner black hole and this entropy is proportional to the area of event horizon. 利用KleinGordon方程和薄膜brickwall模型,并采用WKB近似方法,求出了VaidyaBonner黑洞的熵,所得的熵正好与该黑洞的视界面积成正比。
A Brief Introduction of Supersymmetric WKB Approximation 超对称WKB近似简介
In this paper, the wave-packet approximation and the WKB method are applied to study the interaction among asymmetric topography, asymmetric longitudinal flow and large-scale disturbane. 本文采用波包近似和WKB方法,研究了非对称地形、非对称纬向流和大尺度扰动的相互作用。
An Improved Method of WKB Approximation 改进WKB近似的新方法
The supersymmetry WKB approximation and the infinite well 超对称WKB近似与一维无限深势阱
The method can make it more approximation to Helmholtz equation and it's answers include WKB approximation. 该法可以更加近似赫姆霍兹方程,且它的解中包含WKB的近似值。
There is difference between the simulation calculations and the results given by WKB approximation on energy trace and group velocity. This indicates that the nonlinearity affects the characteristics of gravity waves. The inhomogeneous temperature lowers group velocity and changes the path of energy propagation. 波包非线性传播的路径、能量传输速度不同于WKB近似下的结果,非线性效应导致了重力波的传播特性的改变;
The improvement of inverse Wentzel-Kramer-Brillouin ( WKB) method for refractive-index profile of a graded-index planar waveguide calculated numerically from the eigenvalue equation under the WKB approximation is extended. 改进了用于确定渐变平面波导折射率分布的反WKB方法,这种渐变折射率分布是从在WKB近似的条件下得到的本征方程用数值方法求得的。
In this paper, by use of a generalized phase-integral approximation, the difficulty of the classical WKB approximation which diverges on the turning-point is overcome, and then the general expressions of the smooth-averaged sound field in underwater sound channel are obtained. 本文利用广义相积分近似克服了经典的WKB近似在反转点发散的困难,获得了水下声道中平滑平均声场的一般表式。
The Wheeler-Dewitt equation for quantum de Sitter model is resolved through WKB approximation under the condition of two different boundaries. 在两种不同边界条件下,用WKB法重解了量子DeSitter模型的Whee-ler-Dewitt方程。
An elementary derivation of connection formulas in WKB approximation and WKB solutions for one-dimentional potential wells and barriers WKB波函数连接公式的初等推导与一维势阱势垒的WKB近似解
Using the WKB approximation, the solution for a symmetrical double potential well to power four is obtained and discussed. 利用WKB近似方法求解对称四次方双势阱问题并对结果进行了讨论。
The General Expansion of WKB Approximation method to the Propagator for Arbitrary Hamiltonians 任意哈密顿算符传播函数WKB近似的普遍形式
Using the WKB approximation, the acoustoelectric current is calculated when only one electron is captured in the quantum well. 采用WKB近似,计算了只有一个电子被量子阱俘获时的声电电流;
The simulation results show that the proposed method has the advantages of greater accuracy and adaptability to SiC Schottky contacts in high fields over the WKB approximation. It also can seamlessly treat thermionic emission and tunneling current. 结果显示该方法比WKB近似更精确,同时也更适合工作在高场条件下的SiC材料,并且能够连续地计算热电子发射电流和隧穿电流。
The Phase shift is calculated using WKB approximation instead of Nemerov method in IOSA, then, the total, elastic and rotational excitation cross sections for scattering of H_2 having high energy levels with He are calculated. 首先在IOSA(Infinite-Order-Sudden-Approximation)方法中利用WKB近似方法代替Nemerov方法计算相移,然后对He与转动能层较大的H2分子碰撞总的、弹性和转动激发积分散射截面进行了计算。
The influences of orography on the instability of Rossby waves in shear flows are discussed by WKB approximation. 利用WKB近似讨论大地形对切变基流上Rossby波稳定性的影响。
In the first chapter, we briefly reviewed the basic concepts of quantum electrodynamics, the Dirac theory, the Schwinger effect and the WKB approximation method and its application. 首先,第一章中我们简单回顾有关量子电动力学的基本概念、狄拉克理论、Schwin-ger效应和WKB近似法等理论及其应用。
The electron tunneling probabilities through triangular barrier to be accurately solved by the one-dimensional time-independent Schro| ¨ dinger equation is calculated. The presented method is more accurate than the usually used method with WKB approximation. 本文通过精确求解一维定态薛定谔方程得到电子通过三角形势垒的隧穿几率,该方法比WKB近似更精确。
Secondly, on the basis of the theoretical knowledge in the first chapter, we obtained the Dirac Hamiltonian in the strong electric field, and used the WKB approximation to calculate the two-level transition amplitude. 其次,在第一章阐述的理论知识基础上,给出了强电场激光场中的狄拉克哈密顿量,并且用WKB近似法计算出二能级跃迁振幅。