铁磁体和铁电体中的共振阻尼
Resonance Damping in Ferromagnets and Ferroelectrics
摘要：
磁化和极化晶体相的有序相弛豫的唯象运动方程可以彼此密切相似地推导出来。对于磁化系统的情况，Gilbert提出了驰豫的驱动磁场强度。对于极化系统的情况，朝向弛豫的驱动电场强度由Khalatnikov提出。弛豫到热平衡的传输时间可以归因于粘性声波阻尼通过磁致伸缩的情况下和极化的情况下的电致伸缩。
英文摘要：
The phenomenological equations of motion for the relaxation of ordered phases of magnetized and polarized crystal phases can be developed in close analogy with one another. For the case of magnetized systems, the driving magnetic field intensity toward relaxation was developed by Gilbert. For the case of polarized systems, the driving electric field intensity toward relaxation was developed by Khalatnikov. The transport times for relaxation into thermal equilibrium can be attributed to viscous sound wave damping via magnetostriction for the magnetic case and electrostriction for the polarization case.
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