Polaron and Form Effects on the Polarizabilities of Shallow Donors in Quantum Well Wires
β Scribed by I. Zorkani; L. Filali
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 144 KB
- Volume
- 215
- Category
- Article
- ISSN
- 0370-1972
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π SIMILAR VOLUMES
We report a calculation of the absorption coefficient of donor impurities located at the center of a quasi-1D GaAs quantum well wire with finite confinement potential as a function of photon energies for different wire widths. The theory has been formulated by using suitable variational wave functio
Within the effective-mass approximation a simple method to calculate the spectra of a shallowdonor impurity in GaAsΒ±(Ga, Al)As cylindrical quantum-well wires (QWWs) suitable for any confinement potential shape in radial direction is proposed. A trial function is taken as the product of a hydrogenic