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Binding energy of an off-center hydrogenic donor in a spherical quantum dot with strong parabolic confinement

โœ Scribed by Jian-Hui Yuan; Chao Liu

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
533 KB
Volume
41
Category
Article
ISSN
1386-9477

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๐Ÿ“œ SIMILAR VOLUMES

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Binding energy of a screened donor in a spherical quantum dot with a parabolic potential
โœ Y.P. Varshni ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 66 KB

A wavefunction is proposed for calculating the ground-state energy of a screened donor in a spherical quantum dot under a parabolic potential by a variational method. The donor is taken to be at the center of the quantum dot. Results are presented for four values of the screening parameter by the pr

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The binding energy of a donor impurity in a spherical GaAsยฑ(Ga,Al)As quantum dot with parabolic confinement is calculated as a function of the radius of the quantum dot and as a function of the intensity of an applied electric field. Calculations are performed within the effective-mass approximation