Renormalization group approach of itinerant electron systems near the Lifshitz point
Abstract
Using the renormalization approach proposed by Millis for the itinerant electron systems we calculated the specific heat coefficient γ(T) for the magnetic fluctuations with susceptibility -1 |δ+ω|α+f(q) near the Lifshitz point. The constant value obtained for α=4/5 and the logarithmic temperature dependence, specific for the non-Fermi behavior, have been obtained in agreement with the experimental dat.
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