| 点电荷、线电荷、面电荷模型的电荷体分布函数 |
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| 引用本文： | 肖学雷,田晓岑. 点电荷、线电荷、面电荷模型的电荷体分布函数[J]. 大学物理, 2005, 24(5): 31-33 |
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| 作者姓名： | 肖学雷 田晓岑 |
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| 作者单位： | 涪陵师范学院,物理系,重庆,408003;北京师范大学,物理系,北京,100875 |
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| 摘 要： | 利用δ函数，导出了点电荷、线电荷和面电荷模型在直角坐标、球坐标和柱坐标下的电荷体分布函数表达式，对处理一些具体的物理问题时十分有用。
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| 关 键 词： | δ函数 点电荷 线电荷 面电荷 |
| 文章编号： | 1000-0712(2005)05-0031-03 |
| 修稿时间： | 2004-05-27 |
The volume density functions of point, line and surface charge models |
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| XIAO Xue-lei,TIAN Xiao-cen. The volume density functions of point, line and surface charge models[J]. College Physics, 2005, 24(5): 31-33 |
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| Authors: | XIAO Xue-lei TIAN Xiao-cen |
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| Abstract: | By means of S function, some point, line and surface charge models are expressed into volume density functions in cylindrical and spherical coordinates. These expressions are useful in some special physical problems. |
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