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单词 Magnetostatic field
释义

Magnetostatic field

中文百科

静磁学 Magnetostatics

(重定向自Magnetostatic field)

静磁学Magnetostatics)是电磁学的分支,专门研究电流稳定(不随时间变化)的系统内磁场。在静电学中,电荷是稳定不变的;在这里,电流是稳定不变的。磁化强度不需要是静态的;静磁学的方程可以用于预测在纳秒或更小时间尺度内发生的快速磁性交换事件。 事实上即使电流不是静态,只要电流交替不迅速,静磁学是一个良好的近似。静磁学广泛应用于微磁学,例如磁记录设备的模型。

英语百科

Magnetostatics 静磁学

(重定向自Magnetostatic field)

Magnetostatics is the study of magnetic fields in systems where the currents are steady (not changing with time). It is the magnetic analogue of electrostatics, where the charges are stationary. The magnetization need not be static; the equations of magnetostatics can be used to predict fast magnetic switching events that occur on time scales of nanoseconds or less. Magnetostatics is even a good approximation when the currents are not static as long as the currents do not alternate rapidly. Magnetostatics is widely used in applications of micromagnetics such as models of magnetic recording devices.

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