Abstract

AbstractThe values are calculated of the binding energy of a Wannier exciton in several polar crystals including thallous halides and cuprous chloride using both the potential derived by Barentzen and Haken's potential. It is found, contrary to what is claimed by Barentzen, that the values of the binding energy obtained from these two different effective interaction potentials hardly differ from each other. The reason why this is so is discussed.

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