地球内核与磁场
The Inner Core and Geomagnetic Field
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摘要: 根据地磁场倒转模拟实验,地球固体内核具有导电性。内核与外核的运动互相耦合,对地磁场的形成、维持、翻转具有重要的约束作用,对内核磁场的研究为进一步了解以上行为提供了有益的帮助。在引入磁矢势后,获得了地球固体内核的磁场公式,并讨论了由于长周期地磁场感应的内核磁场特性。Abstract: A diffusivity equation was obtained by rewriting the Faraday law of electromagnetic induction by magnetic vector potential.The inner core geomagnetism was also obtained by solving this equation through the boundary and the interface conditions.We have also discussed the inner core geomagnetism under different frequency situation.
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