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We report the effects of on- and off-center attractive impurities on regular parabolic dots and their impact on the level structures as a function of the strength of the transverse magnetic field. Information entropy, probability density and level-spacing distribution are used as keys to monitor the pattern of evolution of electronic states. The level structures are marked by crossings and anticrossings...
Linear and non-linear optical response of impurity perturbed 2-D single carrier quantum dots have been computed by finite field linear variational method. We have considered Gaussian and exponential impurity centres of both repulsive and attractive types. The signatures of various parameters like the intensity of the magnetic field, confinement strength, nature and the strength of the impurity perturbation,...
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