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Comment on ‘Quantum anharmonic oscillator plus delta-function potential: a molecular view of pairing formation and breaking in the coordinate space’
European Journal of Physics ( IF 0.7 ) Pub Date : 2021-07-13 , DOI: 10.1088/1361-6404/ac0fb9 Francisco M Fernández
中文翻译:
评论“量子非谐振荡器加δ函数势:坐标空间中配对形成和断裂的分子观点”
更新日期:2021-07-13
European Journal of Physics ( IF 0.7 ) Pub Date : 2021-07-13 , DOI: 10.1088/1361-6404/ac0fb9 Francisco M Fernández
We analyze a recent discussion of one-dimensional quantum-mechanical models with a perturbation produced by a delta-function potential. We show that the authors failed to derive a correct transcendental equation for the eigenvalues in the case of the Morse oscillator because they omitted the contribution of the continuum spectrum in the basis set.
中文翻译:
评论“量子非谐振荡器加δ函数势:坐标空间中配对形成和断裂的分子观点”
我们分析了最近关于具有由 delta 函数势产生的扰动的一维量子力学模型的讨论。我们表明,作者未能为莫尔斯振荡器的特征值推导出正确的超越方程,因为他们忽略了基组中连续谱的贡献。