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ELECTRON POLARIZATION IN A PARABOLIC QUANTUM-WELL WITH UNIFORM ELECTRIC-FIELD
Date
1991-01-01
Author
ILAIWI, KF
Tomak, Mehmet
Metadata
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The polarization of a quantum electron confined in a parabolic quantum well in the presence of a uniform electric field is calculated numerically. We find positive polarization for both ground and the first excited states.
Subject Keywords
Nipi-Superstructure
,
Optical-Properties
,
Polarizability
,
Crystals
,
Carrier
URI
https://hdl.handle.net/11511/33241
Journal
SUPERLATTICES AND MICROSTRUCTURES
DOI
https://doi.org/10.1016/0749-6036(91)90142-e
Collections
Department of Physics, Article
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ELECTRON POLARIZATION IN A QUANTUM-WELL WITH UNIFORM ELECTRIC-FIELD
ILAIWI, KF; Tomak, Mehmet (1991-06-01)
The polarization of a quantum electron confined in a one-dimensional potential well in the presence of a uniform electric field is calculated numerically. We find that the negative polarization of the first excited state in previous calculations is solely due to the neglect of the electric field outside the quantum well.
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The nonlinear optical properties of an exciton in a spherical quantum dot (QD) is studied analytically. The nonlinear optical coefficients are calculated within the density matrix formalism. The electronic problem is solved within the effective mass approximation. The contributions from the competing effects of the confinement, the Coulomb interaction, and the applied electric field are calculated and compared with each other. We have made no assumptions about the strength of the confinement. We concentrate...
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K. ILAIWI and M. Tomak, “ELECTRON POLARIZATION IN A PARABOLIC QUANTUM-WELL WITH UNIFORM ELECTRIC-FIELD,”
SUPERLATTICES AND MICROSTRUCTURES
, pp. 27–30, 1991, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/33241.