| 电磁场的不变量的求证方法讨论 |
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| 引用本文： | 刘裕光,张宝峰.电磁场的不变量的求证方法讨论[J].大学物理,2003,22(2):25-26,37. |
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| 作者姓名： | 刘裕光 张宝峰 |
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| 作者单位： | 天津大学理学院,天津,300072 |
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| 摘 要： | 用几种不同的方法对电磁场的不变量进行了求证和讨论，指出每种方法都可以归结为利用四维协变张量元素本身构造出洛伦兹不变量。
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| 关 键 词： | 求证方法 电磁场 四维协变张量 洛伦兹不变量 电动力学 |
| 文章编号： | 1000-0712(2003)02-0025-02 |
A discussion on the methods for determining the invariant of the electromagnetic field |
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| LIU Yu guang,ZHANG Bao feng.A discussion on the methods for determining the invariant of the electromagnetic field[J].College Physics,2003,22(2):25-26,37. |
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| Authors: | LIU Yu guang ZHANG Bao feng |
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| Abstract: | Several methods for solving and proving the invariant of the electromagnetic field are given and discussed. It is pointed out that the invariant determined from different methods can written over a certain type of expression, i. e. the assembly made up of the elements of the four dimensional covariant tensor. |
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| Keywords: | electromagnetic field four dimensional covariant Lorentz invariant |
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