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POWER SERIES SOLUTION OF COUPLED DIFFERENTIAL EQUATIONS IN ONE VARIABLE

机译:一阶耦合微分方程的幂级数解

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摘要

A precise method for solving systems of coupled ordinary differential equations of second order in one variable is presented. The method consists mostly of algebraic manipulations and is very efficient on vector computers. The method is applied to the solution of the three-body Schrodinger equation. Besides giving, in contrast to variational methods, uniformly precise expectation values of operators including the Hamiltonian, the method allows one to study the analytic structure of the wave function. Applications to the He atom, the muonic helium atom, and the mu dt molecular ion are presented. No extended precision intermediate calculations are required. (C) 1996 Academic Press, Inc. [References: 22]
机译:提出了一种求解一个变量中二阶耦合常微分方程组的精确方法。该方法主要由代数运算组成,在矢量计算机上非常有效。该方法适用于三体薛定inger方程的求解。与变分方法相反,除了给出算子(包括哈密顿量)的一致精确的期望值外,该方法还允许人们研究波动函数的解析结构。介绍了对He原子,离子氦原子和mu dt分子离子的应用。无需扩展的精度中间计算。 (C)1996 Academic Press,Inc. [参考:22]

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