Soviet Physics Journal

, Volume 14, Issue 5, pp 626–631 | Cite as

Dislocation theory of the energy loss during remagnetization of a ferromagnet

  • D. D. Mishin
  • G. A. Mar'in


A general solution is found for the equation of motion of domain walls in real ferromagnets (containing dislocations) for arbitrary displacements at low frequencies of the remagnetizing field. The interaction of domain laws with dislocations is described in terms of the Peach-Koehler stochastic force. The energy loss during remagnetization due to this interaction and due to fluctuations in the domain-wall velocity is shown to depend on the dislocation structure and to be proportional to the square of the remagnetization frequency. Equations are derived to explain the temperature dependence of the energy loss during the remagnetization of transformer-steel samples varying in dislocation structure.


Energy Loss General Solution Domain Wall Dislocation Structure Dislocation Theory 
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Copyright information

© Consultants Bureau 1973

Authors and Affiliations

  • D. D. Mishin
    • 1
  • G. A. Mar'in
    • 1
  1. 1.A. M. Gor'kii Ural UniversityUSSR

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