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Calculation of magnetic domain wall bowing and eddy current losses in an infinite sheet of bar‐like domains

 

作者: R. M. Del Vecchio,  

 

期刊: Journal of Applied Physics  (AIP Available online 1982)
卷期: Volume 53, issue 3  

页码: 2777-2779

 

ISSN:0021-8979

 

年代: 1982

 

DOI:10.1063/1.330964

 

出版商: AIP

 

数据来源: AIP

 

摘要:

An analytic solution has been obtained for the magnetic field distribution and eddy current losses associated with an infinite array of regularly spaced 180° domain walls which are allowed to bow during their motion. Wall motion was constrained to satisfy a sinusoidal total flux boundary condition. The field solution was solved self‐consistently with the domain wall equation of motion. Calculated losses were always lowered relative to the plane wall case. Difficulties were encountered in the numerical iteration scheme as the degree of bowing increased. Using an approximation for the high bowing case, a physical instability occurred before bowing became too severe.

 

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