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arXiv 0802.1483math-phmath.MP
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有界振子的精确特征值

Accurate eigenvalues of bounded oscillators

Francisco M. Fernandez

摘要:

我们计算准确的本征值的有界振荡器的Riccati-Padé方法,是基于一个合理的近似正则对数导数的波函数的装置。Hankel行列式的根序列自下而上逼近模型的特征值,并具有显著的收敛速度.

英文摘要:

We calculate accurate eigenvalues of a bounded oscillator by means of the Riccati--Padé method that is based on a rational approximation to a regularized logarithmic derivative of the wavefunction. Sequences of roots of Hankel determinants approach the model eigenvalues from below with remarkable convergence rate.

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