Abstract
Measurements of self–diffusion in He are carried out by a new method. The data obtained shows that vacancies are wide–gap quasiparticles.
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Zuev, N.V., Boiko, V.V., Dyumin, N.E. et al. Investigation of Vacancy Diffusion in Solid Helium. Journal of Low Temperature Physics 111, 597–602 (1998). https://doi.org/10.1023/A:1022253601953
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DOI: https://doi.org/10.1023/A:1022253601953