Intersubband absorption in quantum wire with a convex bottom in a magnetic field

The electron states in a cylindrical quantum well with a convex bottom in a magnetic field directed along the wire axis are investigated. The electron wavefunctions, depending on the quantum well characteristics and the magnetic field induction, are found. The absorption coefficient of a monochromat...

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Bibliographic Details
Published in:Journal of physics. Condensed matter 2006-08, Vol.18 (33), p.S2161-S2167
Main Authors: Barseghyan, M G, Manaselyan, A Kh, Kirakosyan, A A
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures
Physics
Quantum wires
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Summary:The electron states in a cylindrical quantum well with a convex bottom in a magnetic field directed along the wire axis are investigated. The electron wavefunctions, depending on the quantum well characteristics and the magnetic field induction, are found. The absorption coefficient of a monochromatic linearly polarized light wave caused by intersubband transitions of electrons in the quantum wire is calculated. The selection rules are considered and analytical expressions for the absorption coefficient are presented for two cases of light wave polarization.
ISSN:0953-8984
1361-648X
DOI:10.1088/0953-8984/18/33/S31