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An Evaluation of Frequency Dependent Effective Mass m* and Optical Scattering Rate of Heavy Electron Compound

Nilam Bharti, N. Yadav, Umakant Prasad, G. P. Yadav and L. K. Mishra

This paper presents a method of evaluation of frequency dependent optical scattering rate r(ω) and the effective mass mb m* (ω) of heavy electron compound CeAl3. Two plasmon frequency ωp (unrenormalised) and ω*p (renormalized) for some of the heavy compounds are also evaluated. Our theoretical results are in good agreement with the experimental data and other theoretical workers.