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Inhomogeneous muonium diffusion in solid nitrogen

  • Session 1. Diffusion/Localization
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Abstract

The spin dynamics of the muonium (Mu) atom diffusing quantum mechanically in solid nitrogen (s-14N2) has been studied using the technique of Mu spin relaxation. A strong relationship between longitudinal (T −11 ) and transverse (T −12 ) relaxation rates (familiar in NMR) has been experimentally demonstrated for the first time for muonium relaxation. At low temperatures the results are inconsistent with diffusion models using a single correlation timeτ c; this is taken as evidence for the intrinsic inhomogeneity of the problem. The temperature dependence of theaverage Mu hop rate τ −1c gives clear evidence that Mu quantum diffusion ins-N2 is governed by the two-phonon interaction.

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Author notes

  1. V. Storchak

    Present address: Kurchatov Institute, Kurchatov sq. 46, 123182, Moscow, Russia

Authors and Affiliations

  1. TRIUMF and Department of Physics, University of British Columbia, V6T 2A3, Vancouver, Canada

    V. Storchak, J. H. Brewer, W. N. Hardy, S. Johnston, S. R. Kreitzman & G. D. Morris

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  1. V. Storchak
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  2. J. H. Brewer
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  3. W. N. Hardy
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  4. S. Johnston
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  5. S. R. Kreitzman
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  6. G. D. Morris
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Storchak, V., Brewer, J.H., Hardy, W.N. et al. Inhomogeneous muonium diffusion in solid nitrogen. Hyperfine Interact 85, 103–108 (1994). https://doi.org/10.1007/BF02069409

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  • DOI: https://doi.org/10.1007/BF02069409

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