Abstract
In this paper we demonstrate some spectroscopic peculiarities which occur in the presence of the Aharonov-Bohm effect. As an object of investigation the system of a two-dimensional (2D) Coulomb potential in the presence of the Aharonov-Bohm flux is considered. It is shown, that the bound states in such a system “feel” the presence of the magnetic flux. In particular, the numerical analysis shows that the oscillator strengths of optical transitions turn into zero at some “special” values of the Aharonov-Bohm flux. As a result, some spectral lines (namely, the intensities of spectral lines) will disappear and this fact may be considered as an observable optical manifestation of the Aharonov-Bohm effect in the considered system. The dynamic polarisability of the bound states of an electron in such a system is also analyzed. It is shown numerically that the dynamic polarisability “strongly” depends on the values of the Aharonov-Bohm flux.
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Meleshenko, P., Nguyen, H. & Klinskikh, A. Spectroscopic peculiarities in a 2D Coulomb potential under Aharonov-Bohm effect. Eur. Phys. J. D 67, 209 (2013). https://doi.org/10.1140/epjd/e2013-40265-4
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DOI: https://doi.org/10.1140/epjd/e2013-40265-4