Abstract:In Landau’s Fermi liquid picture, transport is governed by scattering between quasi-particles. The normal liquid 3He conforms to this picture but only at very low temperature. Here, we show that the deviation from the standard behavior is concomitant with the fermion-fermion scattering time falling below the Planckian time, $$\frac{\hslash }{{k}_{{{{{{{{\rm{B}}}}}}}}}T}$$
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