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Effect of Many Body Interactions on Indices of Refraction of Alkali Halides

Md. Imran Aziz, Irfan Ahmed and Ahmed Naeem

A theoretical model for the indices of refraction of alkali halides, incorporating the effect of many body interactions and van der Waals interactions in the framework of rigid shell model is proposed. It is shown to yield accurate values for the indices of refraction of alkali halides. The computed values of indices of refraction of alkali halides are compared with those in literature and measured by other researchers.