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quant-ph2020★ 1 cited
Comment on the paper "Third-harmonic generation investigated by a short-range bottomless exponential potential well" by M. Hu, K. Guo, Q. Yu, Z. Zhang [Superlattices and Microstructures, 122 (2018) 538-547]
A. M. Ishkhanyan, G. G. Demirkhanyan
We have discovered several severe errors in the recent paper M. Hu, K. Guo, Q. Yu, Z. Zhang [Superlattices and Microstructures, 122 (2018) 538-547]. Specifically, we demonstrate th…
quant-ph2019
Uncertainty relation for the radial momentum and radial coordinate in the Coulomb potential
A. M. Ishkhanyan, V. P. Krainov
We have obtained the uncertainty relations for arbitrary states of the hydrogen atom. It is shown that the minimal value of the uncertainty relation is attained for the circular Ry…