Comment on "A new efficient method for calculating perturbative energies using functions which are not square integrable": regularization and justification release_fefy2f6eefbklm7rtiakqpvhx4

by C.K. Au, Chi-Keung Chow, Chong-Sun Chu

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The method recently proposed by Skala and Cizek for calculating perturbation energies in a strict sense is ambiguous because it is expressed as a ratio of two quantities which are separately divergent. Even though this ratio comes out finite and gives the correct perturbation energies, the calculational process must be regularized to be justified. We examine one possible method of regularization and show that the proposed method gives traditional quantum mechanics results.
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Date   1997-01-31
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Language   en ?
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