| 线电流与无限长磁介质圆柱系统的磁矢势的计算及讨论 |
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| 引用本文： | 王树平,崔红娜,范虹.线电流与无限长磁介质圆柱系统的磁矢势的计算及讨论[J].大学物理,2007,26(9):27-30,33. |
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| 作者姓名： | 王树平 崔红娜 范虹 |
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| 作者单位： | 河北建筑工程学院,数理系,河北,张家口,075000 |
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| 摘 要： | 用镜象电流法和分离变量法计算了线电流与无限长磁介质圆柱系统的磁矢势,指出线电流与无限大磁介质分界平面、线电流与超导体圆柱、均匀外磁场中有磁介质圆柱系统时的磁矢势都可以由线电流与磁介质圆柱系统的磁矢势的极限情形给出.
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| 关 键 词： | 线电流 磁介质圆柱 磁矢势 极限情形 |
| 文章编号： | 1000-0712（2007）09-0027-04 |
| 收稿时间： | 2006-09-05 |
| 修稿时间： | 2006-09-05 |
Calculation and discussion of the vector magnetic potential of a system consisting a line electric current and an infinite long magnetic dielectric column |
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| WANG Shu-ping,CUI Hong-na,FAN Hong.Calculation and discussion of the vector magnetic potential of a system consisting a line electric current and an infinite long magnetic dielectric column[J].College Physics,2007,26(9):27-30,33. |
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| Authors: | WANG Shu-ping CUI Hong-na FAN Hong |
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| Institution: | Department of Mathematics and Physics, Hebei Institute of Architecture Engineering, Zhangjiakou, Hebei 075000, China |
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| Abstract: | The vector magnetic potential of a system consisting a line electric current and an infinite long magnetic dielectric column is calculated with the method of separation of variables and method of images,it is pionted out that the vector magnetic potential of a system consisting a line electric current and a magnetic dielectric plane,an ideal paramagnetic column,a superconductor column,and a line electric current in homogeneous magnetic field can all be deduced from our calculation. |
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| Keywords: | line electric current magnetic dielectric column vector magnetic potential the limit conditions |
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