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Random propagation of irreversible magnetizing processes

Authors
Journal
Journal of Magnetism and Magnetic Materials
0304-8853
Publisher
Elsevier
Publication Date
Volume
19
Identifiers
DOI: 10.1016/0304-8853(80)90638-1
Disciplines
  • Physics

Abstract

Abstract The rate Φ( z, t) of the magnetic flux of a ferromagnetic sample which is remagnetized in an external slowly varying homogeneous field is regarded as a random Barkhausen field ( z measured along the sample axis, t time). The power density Γ( k, ω) of the field is measured ( k wavenumber, ω angular frequency) and the cut-off wavenumber as a function of the frequency is discussed.

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