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Positronium diffusion in crystals

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Abstract

The temperature dependence of the diffusion coefficient is analyzed for the two cases of localized and delocalized positronium in a crystal. The diffusion coefficient for the localized positronium is calculated from the Kubo formula, while that for the free positronium is calculated in the relaxation-time approximation. The temperature dependence of the tunneling diffusion coefficient for positronium is specified by analogy with impuritons in a quantum crystal.

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Authors and Affiliations

  1. Birsk Pedagogical Institute, USSR

    A. Z. Varisov & V. G. Kozlov

Authors
  1. A. Z. Varisov
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  2. V. G. Kozlov
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 7, pp. 25–28, July, 1981.

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Varisov, A.Z., Kozlov, V.G. Positronium diffusion in crystals. Soviet Physics Journal 24, 597–600 (1981). https://doi.org/10.1007/BF00893888

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  • DOI: https://doi.org/10.1007/BF00893888

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