WKB approximation

WKB近似

  • The supersymmetry WKB approximation and the infinite well

    超对称 WKB 近似与一维无限深势阱

  • 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。

  • 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。

  • 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 .

    非线性传播的路径、能量传输速度不同于 WKB 近似 的结果,非线性效应导致了重力波的传播特性的改变;

  • 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。

  • 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 重解了量子DeSitter模型的Whee-ler-Dewitt方程。

  • 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 近似

  • An Improved Method of WKB Approximation

    改进 WKB 近似的新方法

  • 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;

  • 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 计算出二能级跃迁振幅。

  • An elementary derivation of connection formulas in WKB approximation and WKB solutions for one-dimentional potential wells and barriers

    WKB 函数连接公式的初等推导与一维势阱势垒的 WKB 近似

  • A Brief Introduction of Supersymmetric WKB Approximation

    超对称 WKB 近似简介

  • 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

  • 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。

  • 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。

  • 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 近似模拟目标 内部总场。

  • 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 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。

  • Fourier Diffraction Imaging Under WKB Approximation

    WKB 近似下的Fourier衍射成象 方法

  • 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 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。

  • 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 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