A. F. Polupanov

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A numerical method was developed to calculate analytical continuation of S-matrix, which describes multichannel scattering at quantum wells, into the region of complex "nonphysical" energy values. One or several resonant hole states related to poles of S-matrix and to the absolute reflection at hole scattering on a quantum well were found to exist in the(More)
We demonstrate an explicit numerical method for accurate calculation of the scattering matrix, and its poles, and apply this method to describing the multi-channel holes scattering in multiple-quantum-wells (MQW) structures. The results of calculations show that in contrast to the single quantum-well case, at some values of MQW parameters the number of(More)
We demonstrate an explicit numerical method for accurate solving the eigenvalue problem for systems of coupled ordinary differential equations such as those describing hole bound states in quantum wells with a polynomial potential profile. Hole bound states energies and corresponding wave functions are calculated in the case of a finite parabolic quantum(More)
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