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第三百二十六章 奥利弗亥维赛改良麦克斯韦方程组(电磁学)(2 / 2)

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磁场线是封闭没有截止点的。

没有磁单级。

麦克斯韦对威廉说:“这里最麻烦的,就莫过于要用微积分的方程来描述这些抽象的运动了。”

威廉说:“我知道你已经练就了这方面的本领。你会完成这个工作。法拉第在这方面不如你。”

麦克斯韦说:“我要建立电磁之间的数学关系,需要引进力线。我要正式提出位移电流的概念。我还有把电场和磁场结合成电磁场。除此以外,我还有思考电磁场的作用是一种电磁波。”

威廉说:“电磁波是什么?你要说它可以作用在电场和磁场上。那是如何运动,速度有多快?”

麦克斯韦说:“电场和磁场都是由电磁波产生的,是一种电波和磁波相互垂直的此消彼长的震荡的一种东西,数学上很容易描述,就是不太好想,让人不用一接受。速度的话,就是光速。”

威廉说:“你真的怀疑电磁场跟光是同一回事?”

麦克斯韦说:“一种感觉,电场、磁场和光子都是一种东西。”

威廉说:“你要是这么说的话,那我们就是拭目以待了。”

一直到他逝世的9年后,1888年,年轻的德国物理学家赫兹,通过实验首次证实了电磁波的存在,才真正验证了麦克斯韦理论的正确性。

奥利弗·亥维赛改良了麦克斯韦方程组,从20个方程化成4个。

喜欢数学心请大家收藏:数学心本站更新速度全网最快。

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