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POLARON PROPERTIES OF THE WANNIER EXCITON IN A QUANTUM-WELL CONFINEMENT

On the basis of a perturbative-variational approach, the polaron effect on the ground-state energy of the two-dimensionally confined exciton is analysed in the overall range of the parameters characterising the problem. With particular attention devoted to the GaAs-based quantum structure, it is seen that the photon-induced effects on the binding are rather noticeable and should not be ignored.