| 磁偶极和电四极在磁各向异性介质中的辐射功率 |
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| 引用本文： | 洪清泉,余燕忠,蔡植善,陈木生,林顺达.磁偶极和电四极在磁各向异性介质中的辐射功率[J].物理学报,2010,59(8):5235-5240. |
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| 作者姓名： | 洪清泉 余燕忠 蔡植善 陈木生 林顺达 |
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| 作者单位： | 泉州师范学院物理与信息工程学院,泉州 362000 |
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| 基金项目： | 福建省自然科学基金(批准号:2008J0025),泉州市科技计划(批准号:2008Z13)资助的课题. |
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| 摘 要： | 在经典电动力学的框架下,研究了磁各向异性介质中的电磁辐射问题,得到了磁偶极和电四极在磁各向异性介质中的辐射功率表达式.进一步地,通过把各向同性介质中的μrii代入所得辐射功率表达式,得到了与文献相符合的结果,验证了所得结果的正确性.研究结果表明磁偶极和电四极在磁各向异性介质中的辐射功率大小与磁各向异性介质的μrii大小有关,对判断磁偶极和电四极在磁各向异性介质中的辐射效果有较大的帮助.
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| 关 键 词： | 磁各向异性介质 磁偶极 电四极 辐射功率 |
| 收稿时间： | 2009-10-22 |
Radiation powers of magnetic dipole and electric quadrupole in magnetic anisotropic medium |
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| Hong Qing-Quan,Yu Yan-Zhong,Cai Zhi-Shan,Chen Mu-Sheng,Lin Shun-Da.Radiation powers of magnetic dipole and electric quadrupole in magnetic anisotropic medium[J].Acta Physica Sinica,2010,59(8):5235-5240. |
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| Authors: | Hong Qing-Quan Yu Yan-Zhong Cai Zhi-Shan Chen Mu-Sheng Lin Shun-Da |
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| Institution: | School of physics and information engineering, Quanzhou Normal University, Quanzhou 362000,China;School of physics and information engineering, Quanzhou Normal University, Quanzhou 362000,China;School of physics and information engineering, Quanzhou Normal University, Quanzhou 362000,China;School of physics and information engineering, Quanzhou Normal University, Quanzhou 362000,China;School of physics and information engineering, Quanzhou Normal University, Quanzhou 362000,China |
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| Abstract: | Under the frame of classical electrodynamics, the electromagnetic radiation in magnetic anisotropic medium is investigated in this paper. The radiation power expressions for magnetic dipole and electronic quadrupole in magnetic anisotropic medium are in derived. Furthermore, the results, which are achieved by inserting the μr in isotropic medium into the obtained expressions, are agreed with the references. And the correctness of the obtained expressions is verified. The research results demonstrate that the radiation powers of magnetic dipole and electronic quadrupole are related to the μr in magnetic anisotropic medium. This conclusion is very helpful for determining the radiation effects of magnetic dipole and electronic quadrupole in magnetic anisotropic medium. |
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| Keywords: | magnetic anisotropic medium magnetic dipole electric quadrupole radiation power |
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