Direct Interband Light Absorption in Conical Quantum Dot

In the framework of the adiabatic approximation, the energy states of electron as well as the direct light absorption are investigated in conical quantum dot. Analytical expressions for particle energy spectrum are obtained. The dependence of the absorption edge on geometrical parameters of conical...

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Bibliographic Details
Published in:Journal of nanomaterials 2015-01, Vol.2015 (2015), p.1-6
Main Authors: Sarkisyan, H. A., Kazaryan, E. M., Chalyan, A. V., Hayrapetyan, D. B.
Format: Article
Language:English
Subjects:
Adiabatic flow
Approximation
Exact solutions
Light absorption
Mathematical analysis
Nanomaterials
Particle energy
Quantum numbers
Qunatum dots
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Summary:In the framework of the adiabatic approximation, the energy states of electron as well as the direct light absorption are investigated in conical quantum dot. Analytical expressions for particle energy spectrum are obtained. The dependence of the absorption edge on geometrical parameters of conical quantum dot is obtained. Selection rules are revealed for transitions between levels with different quantum numbers. In particular, it is shown that for the radial quantum number transitions are allowed between the levels with the same quantum numbers, and any transitions between different levels are allowed for the principal quantum number.
ISSN:1687-4110
1687-4129
DOI:10.1155/2015/915742