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Interband Magnetoabsorption in Cylindrical Quantum Layer with Smorodinsky-Winternitz Confinement Potential

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Abstract:

Electronic states and interband transitions in the cylindrical quantum layer Ga1–x1Alx1 As/GaAs/Ga1–x2Alx2As are studied. As a confinement potential the radial analogue of Smorodinsky-Winternitz potential is considered. The quantum transitions are studied in dipole approximation at the presence of the magnetic field directed along layer axis. The selection rules and threshold frequencies of absorption for transitions between heavy holes' band and conduction band, as well as light holes' band and conduction band are obtained. It is shown that these frequencies lie in visible red and near infra-red spectrum. In the frame of perturbation theory the influence of the weak electric field on the character of interband transitions is discussed. In particular, it is found that selection rules for interband transitions change depending on electric field orientation.

Keywords: CYLINDRICAL QUANTUM LAYER; ELECTRIC FIELD; INTERBAND TRANSITION; MAGNETOABSORPTION

Document Type: Research Article

DOI: https://doi.org/10.1166/jctn.2010.1468

Publication date: 2010-06-01

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  • Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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