Document Type

Article

Date of Original Version

1997

Abstract

The effect of zero-temperature attenuation, which has been recently observed in spin dynamics of Fermi liquids, on various processes in helium and ferromagnetic systems is described. A brief review of theoretical and experimental data on zero-temperature attenuation in transverse spin dynamics of helium systems is followed by a discussion of coupling between longitudinal and transverse processes, the Castaing instability in 3He and 3He−4He mixtures, and applications to pure ferromagneticmetals.

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