We resume the recent theoretical and experimental results which point towards a deeper comprehension of the complex dynamics of magnetic domain walls, i.e., the Barkhausen noise. In particular, we show how the theoretical framework of depinning transition is able to correctly describe the various experimental scaling exponents, included the power spectral exponent which has been investigated without success since the earlier papers.
Complex dynamics of magnetic domain walls / G. Durin, S. Zapperi. - In: PHYSICA. A. - ISSN 0378-4371. - 314:1-4(2002 Nov), pp. 230-234. ((Intervento presentato al convegno Meeting on Horizons in Complex Systems tenutosi a Messina nel 2001.
Complex dynamics of magnetic domain walls
S. Zapperi
2002
Abstract
We resume the recent theoretical and experimental results which point towards a deeper comprehension of the complex dynamics of magnetic domain walls, i.e., the Barkhausen noise. In particular, we show how the theoretical framework of depinning transition is able to correctly describe the various experimental scaling exponents, included the power spectral exponent which has been investigated without success since the earlier papers.
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