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Energy levels of a hydrogenic donor in GaAs-GaAlAs quantum well structures in a magnetic field

✍ Scribed by S. Chaudhuri; K.K. Bajaj

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
319 KB
Volume
52
Category
Article
ISSN
0038-1098

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Binding energies of the ground state and of four excited states of a hydrogenic impurity in quantum well structures consisting of a single slab of GaAs sandwiched between two semi-infinite slabs of Ga~\_~AlxAs are calculated using a variational approach. The ground-state binding energy is calculated

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Using a variational procedure within the effective-mass approximation we have calculated the binding energies of shallow-donor impurities in cylindrical GaAs quantum-well wires, in an axial magnetic field and an infinite confinement potential. In contrast to the previous results in quantum wells, we