Quasi-Conical Quantum Dot: Electron States and Quantum Transitions |
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| Authors: | Eduard M. Kazaryan Lyudvig S. Petrosyan Vanik A. Shahnazaryan Hayk A. Sarkisyan |
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| Affiliation: | 1. Russian-Armenian (Slavonic) University, 0051 Yerevan, Armenia;2. Yerevan State Medical University, 0025 Yerevan, Armenia;3. Science Institute, University of Iceland, Dunhagi-3, IS-107, Reykjavik, Iceland;4. Yerevan State University, 0025 Yerevan, Armenia |
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| Abstract: | The exactly solvable model of quasi-conical quantum dot, having a form of spherical sector, is proposed. Due to the specific symmetry of the problem the separation of variables in spherical coordinates is possible in the one-electron Schrodinger equation. Analytical expressions for wave function and energy spectrum are obtained. It is shown that at small values of the stretch angle of spherical sector the problem is reduced to the conical QD problem. The comparison with previously performed works shows good agreement of results. As an application of the obtained results, the quantum transitions in the system are considered. |
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| Keywords: | conical quantum dot electron states quantum transitions |
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