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首页> 外文期刊>Journal of Computational Physics >AN EFFICIENT ALGORITHM FOR SOLVING COUPLED SCHRODINGER TYPE ODES, WHOSE POTENTIALS INCLUDE DELTA-FUNCTIONS
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AN EFFICIENT ALGORITHM FOR SOLVING COUPLED SCHRODINGER TYPE ODES, WHOSE POTENTIALS INCLUDE DELTA-FUNCTIONS

机译:一种有效的求解耦合Schrodinger型Odes的算法,其所有电位都包含Delta函数

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摘要

I have used the shooting method to find the eigenvalues (bound state energies) of a set of strongly coupled Schrodinger type equations. I have discussed the advantages of the shooting method when the potentials include delta-functions. I have also discussed some points which are universal in these kind of problems, whose use make the algorithm much more efficient. These points include mapping the domain of the ODE into a finite one, using the asymptotic form of the solutions, best use of the normalization freedom, and converting the delta-functions into boundary conditions. (C) 1996 Academic Press, Inc. [References: 24]
机译:我已经使用射击方法找到了一组强耦合的薛定inger类型方程的特征值(束缚态能量)。当电位包括三角函数时,我已经讨论了射击方法的优点。我还讨论了这些问题中普遍存在的一些要点,这些要点的使用使算法更加有效。这些要点包括使用解的渐近形式,将ODE的域映射到有限域,最佳利用归一化自由以及将增量函数转换为边界条件。 (C)1996 Academic Press,Inc. [参考:24]

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