Infrared magneto-optical absorption spectra of shallow donor impurity states in GaAs/GaAsAl quantum dot are investigated theoretically using the effective-mass approximation within the strong confinement regime. The numerical results show that for high magnetic fields, the transition energies for (0, 0) --> (0, 1) increase linearly with enhancement of magnetic field strength, while the transition energies for (0, 0) --> (0, -1) appear to diminish with increasing magnetic field strength.
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