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Quantum Diffusion of Impuritons in the Gas of Phonons in Quantum Mixtures of Helium Isotopes

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Abstract

The system of kinetic equations for distribution functions of impurity excitations in solid 3He–4 He mixtures in the presence of phonons is solved. The results obtained allows us to calculate the spin diffusion coefficient of 3 He–4 He quantum crystals. The found expression differs from the results of the previous theoretical studies. A comparison of the obtained diffusion coefficient with experimental data makes it possible to determine the numerical values of the energy band width of impurity excitations.

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Author notes

  1. T. F. George

    Present address: Office of the Chancellor, Dept. of Chemistry and Physics and Astronomy, University of Wisconsin at Stevens, Point, WI, 54481-3897, USA

Authors and Affiliations

  1. Department of Physics and Technology, Kharkov State University, Kharkov, 310077, Ukraine

    I. N. Adamenko, K. E. Nemchenko, A. V. Zhukov & T. F. George

Authors
  1. I. N. Adamenko
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  2. K. E. Nemchenko
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  3. A. V. Zhukov
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  4. T. F. George
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Adamenko, I.N., Nemchenko, K.E., Zhukov, A.V. et al. Quantum Diffusion of Impuritons in the Gas of Phonons in Quantum Mixtures of Helium Isotopes. Journal of Low Temperature Physics 111, 603–608 (1998). https://doi.org/10.1023/A:1022205718791

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  • DOI: https://doi.org/10.1023/A:1022205718791

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