文章基本信息

标题：Systematic Convergence in Applying Variational Method to Double-Well Potential
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作者：Wai-Ning Mei
期刊名称：European Journal of Physics Education
电子版ISSN：1309-7202
出版年度：2017
卷号：7
期号：2
出版社：Erciyes University
摘要：In this work, we demonstrate the application of the variational method by computing the ground- and first-excited state energies of a double-well potential. We start with the proper choice of the trial wave functions using optimized parameters, and notice that accurate expectation values in excellent agreement with the numerical results can be aquired by cautious systematic improvement of trial wave functions.