| 线性介质中电磁对偶性的双矢势理论 |
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| 引用本文： | 王剑华,王立. 线性介质中电磁对偶性的双矢势理论[J]. 陕西理工学院学报(自然科学版), 2002, 18(3): 70-73 |
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| 作者姓名： | 王剑华 王立 |
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| 作者单位： | 1. 陕西理工学院,产业处,陕西,汉中,723000
2. 咸阳师范学院,陕西,咸阳,721000 |
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| 摘 要： | 介绍了电磁场双四维矢势的概念 ,讨论了引入双矢势后电磁场张量的特性 ,给出了具有电磁对偶性Maxwell方程。在有源情况下引入Dirac磁单极 ,利用电磁场双矢势的表达式 ,得到具有洛伦兹协变性和电磁对偶性的电磁场方程 ,同时避免了由磁荷产生的磁场出现发散而带来的奇异问题。并把这一结果推广到了线性介质的情况。
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| 关 键 词： | 电磁对偶 Maxwell方程 线性介质 双四维矢势 |
| 文章编号： | 1002-3410(2002)03-0070-04 |
| 修稿时间： | 2002-07-23 |
Two-Potential theory of electromagnetic duality in linear medium |
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| WANG Jian-hua,WANG Li. Two-Potential theory of electromagnetic duality in linear medium[J]. Journal of Shananxi University of Technology(Natural Science Edition), 2002, 18(3): 70-73 |
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| Authors: | WANG Jian-hua WANG Li |
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| Abstract: | After brief review of the concepts of two 4-dimensional potential theory, we discussed the characters of the tensor of Electromagnetic (EM) field, and gave out the Maxwell equations which have EM duality symmetry. Finally, we obtained the Lorentz covariant and EM dual Maxwell equations in the linear medium. |
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| Keywords: | electromagnetic duality maxwell equations linear medium two 4-dimensional potentials |
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