Heavy Fermion System and Its Anomalous Behaviour “A Theoretical Study”
Abstract
In this paper we try to study theretically the anomalous behaviour such as thermal (Elastic constant), electrical (resistivity) and impurity effect of heavy fermion system on account of electron and phonon interaction. We used here the Zuvarev type double time temperature dependent technique to develop the spectral density and self energy which then used to get the elastic constant and resistivity of the system by using dimension less parameter ‘d’- the f- level location, ‘r’- potency of electron interaction with phonon, ‘g’- coupling constant, ‘b’- the inverse temperature and ‘x’- the the fermi level. The results found is quite good agreement with the experimental result.
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