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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >New features of an asymptotic iteration method for the Dirac equation and their applications
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New features of an asymptotic iteration method for the Dirac equation and their applications

机译:Dirac方程的渐近迭代法的新特征及其应用

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摘要

We have found that two 'asymptotic' aspects alpha and beta of an asymptotic iteration method for the Dirac equation satisfy nonlinear Riccati equations simultaneously and are reciprocal to each other. By these two properties, we have an insight into this method and reveal why this method can give solutions to the Dirac equation. Furthermore, using the new iteration termination condition expressed by equation ( 15), instead of solving the differential equations directly, we have found exact eigenvalues as well as exact wavefunctions of the Dirac equation with two dimensional Coulomb potential.
机译:我们发现Dirac方程的渐近迭代方法的两个“渐近”方面alpha和beta同时满足非线性Riccati方程,并且彼此互为倒数。通过这两个属性,我们对这种方法有了深入的了解,并揭示了为什么该方法可以为Dirac方程提供解决方案。此外,使用方程(15)表示的新的迭代终止条件,代替直接求解微分方程,我们发现了具有二维库仑势的狄拉克方程的精确特征值和精确波函数。

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