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Dipolar interactions in ferromagnetic systems: Dynamic hysteresis from parallel domain walls (Articolo in rivista)
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- Dipolar interactions in ferromagnetic systems: Dynamic hysteresis from parallel domain walls (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
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Cerruti, B; Zapperi, S; Durin, G (2008)
Dipolar interactions in ferromagnetic systems: Dynamic hysteresis from parallel domain walls
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- Cerruti, B; Zapperi, S; Durin, G (literal)
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- ISI Web of Science (WOS) (literal)
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- \"[Cerruti, B.] Univ Barcelona, Dept Estructura & Constituents Mat, E-08028 Barcelona, Spain; [Zapperi, S.] Univ Roma La Sapienza, CNR, INFM, SMC,Dipartimento Fis, I-00185 Rome, Italy; [Durin, G.] Ist Nazl Ric Metrol, I-10135 Turin, Italy (literal)
- Titolo
- Dipolar interactions in ferromagnetic systems: Dynamic hysteresis from parallel domain walls (literal)
- Abstract
- We present a model for the study of the hysteretic behavior of a disordered ferromagnetic system with an array of parallel Bloch domain walls. We write the equations of motion of the walls under an external magnetic field driving, considering long-range dipolar interactions and disorder. We calculate analytically an expression for the magnetic susceptivity Z, and find a logarithmic dependence for Z on the number of domains. We study the dynamic hysteresis, which behavior could be explained by the theory of loss separation. (c) 2007 Published by Elsevier B.V. (literal)
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