摘要
由于磁能密度公式ωm=12BH只适用于线性介质,对永磁体不适用。
The fomula of ω m=12B·H is only suitable for linear medium,so it cann't be applied for permanent magnet.In this paper,the magnetostatic energy in the field of a permanent magnet is given through the magnetic charge viewpoint.
出处
《工科物理》
1999年第4期18-19,26,共3页
关键词
永磁体
静磁能密度
磁荷观点
真空
permanent magnet
magnetostatic energy density
magnetic charge viewpoint