The transmission phase has a abrupt tt change when corresponding transmission amplitude tends zero 当透射矩阵矩阵元为0时，对应的透射相位存在幅度为的突变。
The transition matrix elements are obtained by analytical method and the cross section is given by monte - carlo simulation 用解析方法给出不变矩阵元，采用monte carlo模拟计算了强子物质中重子诱导。
The results can be used to accurately extract the nuclear matrix of the astrophysically significant 7be + e - - 7li + v reaction . the method we used may find important application in condensed matter physics 这一结果可用于精确抽取在核天体物理中有重要意义的反应7be + e - 7li + v的原子核矩阵元。
General expressions of the fine structure energy levels for two - electron atom including the spin - spin interaction , the spin - orbit interaction and the spin - other - orbit interaction in the lsjmj scheme are derived 在这些推导中，完成了所有角向积分和自旋求和计算，相应的结果用3j 、 6j 、 9j符号和待定的径向矩阵元来表示。
By using some formulae of confluent hyper - geometric function , the results of radial operators on the normalizing radial wave function of a 3 - d isotropic harmonic oscillator are derived , and the ladder operators are given to calculate the matrix elements 摘要利用合流超几何函数的递推关系式得到径向算符对归一化径向函数的作用结果，得出其升降算符通项，便于求解矩阵元。
The energy eigenvalue , eigenfunction , matrix elements of coordinate and momentum operators in energy representation , and evolution operator for a two - dimentional coupled oscillator are presented by using the general linear quantum transformation theory 摘要运用广义线性量子变换理论，给出一类二维耦合量子谐振子的能量本征值、本征函数、坐标和动量算符在能量表象中的矩阵元及演化算符。
Normalized radial wavefunctions of the ring - shaped oscillator have been obtained in ref . 1 . on the basis of previous works ， in this paper ， the general formulas and the recurrence formulas for radial matrix elements of the ring - shaped oscillator are derived 利用文献1给出的环形振子的归一化的径向波函数，推导出环形振子径向矩阵元的通项表达式及其递推关系.解决了环形振子径向矩阵元的计算问题
There are 107 detection efficiency matrix elements for a 10 10 16 ( 1600 voxels ) tgs sample , for such a large matrix , it seems impossible and unrealistic to calibrate experimentally as usually done for routine gamma - ray spectrometry measurement 对于10 10 16体素组成的tgs样品，探测效率矩阵元的数量级约为10 ~ 7 。对于如此庞大的探测效率矩阵，如果象常规能谱刻度一样采用实验方法刻度，几乎是不可能的，也是不现实的。
In this work , the calibration of detection efficiency of tgs was studied using monte carlo method , which is very effective for obtaining the tgs detection efficiency . for a 3 3 3 tgs model , all 972 efficiency matrix elements were calculated by monte carlo code mcnp4b 本文研究了mc ( montecarlo )技术刻度tgs探测效率的方法，应用先进的mc软件mcnp4b ，以3 3 3体素组成的样品模型，计算了tgs实验装置所有972个探测效率的矩阵元。
Because of the difficulty to calculate the wave function and transitive matrix element in high excited state , chaotic character of wave function is known a little . now many pay attention to the scar of wave function ; ( 3 ) the time evolutionary character of nonstationary state eigenfuction 由于计算高激发态波函数以及跃迁矩阵元的困难，人们对经典混沌给波函数带来的特征的研究工作还很少，目前研究最多的是关于波函数的疤痕。
