Abstract

During the past decade many conventional nuclear magnetic resonance experiments have been performed on solid 3He (with inescapable 4He impurities) at temperatures between 1.00 and 0.05°K. Guyer et al. 1 have synthesized the experimental data into a coherent theoretical framework. In their description the Zeeman energy is coupled to the lattice via three different particle motion excitations: vacancy waves, which result from the motion of vacancies in the lattice, tunneling excitation waves, which result from the pairwise interchange of two 3He atoms on adjacent lattice sites, and mass fluctuation waves, which result from the pairwise interchange of a 3He atom and a 4He atom.

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