TRANSITITON FROM A MAGNETIC TO A NONMAGNETIC STATE AS A FUNCTION OF PRESSURE IN MnSi

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Abstract
We report a study of the temperature dependence of the resistivity ρ(T) of MnSi over the range 20mK to room temperature at hydrostatic pressures of up to 20 kbar. The low temperature form of ρ(T) near the critical pressure Pc=15.5 kbar where the Curie temperature appears to vanish is interpreted in terms of a model of a Marginal Fermi Liquid.