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On the problem of catastrophic relaxation in superfluid 3He-B

  • Nonlinear Dynamics
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Abstract

In this Letter, we discuss the parametric instability of the texture of homogeneous (in time) spin precession and explain how the spatial inhomogeneity of the texture may change the threshold of the instability in comparison with the idealized spatial homogeneous case considered in our JETP Letter 83, 530 (2006). This discussion is inspired by the critical comment of I.A. Fomin (JETP Lett., this issue) related to the above questions. In addition, we considered here the results of direct numerical solution of the full Leggett-Takagi equation of motion for magnetization in 3He-B and experimental data for the magnetic field dependence of the catastrophic relaxation that provide solid support for the theory of this phenomenon presented in our 2006 JETP Letter.

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Authors and Affiliations

  1. Centre de Recherches sur les Trés Basses Températures, CNRS, BP166, 38042, Grenoble, France

    Yu. M. Bunkov

  2. Department of Chemical Physics, The Weizmann Institute of Science, 76100, Rehovot, Israel

    V. S. L’vov

  3. Low Temperature Laboratory, Helsinki University of Technology, P.O. Box 2200, FIN-02015, HUT, Finland

    V. S. L’vov & G. E. Volovik

  4. Landau Institute for Theoretical Physics, Russian Academy of Sciences, Moscow, 119334, Russia

    G. E. Volovik

Authors
  1. Yu. M. Bunkov
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  2. V. S. L’vov
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  3. G. E. Volovik
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Bunkov, Y.M., L’vov, V.S. & Volovik, G.E. On the problem of catastrophic relaxation in superfluid 3He-B. Jetp Lett. 84, 289–293 (2006). https://doi.org/10.1134/S0021364006180032

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  • DOI: https://doi.org/10.1134/S0021364006180032

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