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Magnetostatic field of an axially symmetric electric multipole rotating about its symmetry axis

 

作者: Somnath Datta,  

 

期刊: American Journal of Physics  （AIP Available online 1992）
卷期: Volume 60, issue 1  

页码: 47-49

 

ISSN:0002-9505

 

年代: 1992

 

DOI:10.1119/1.17042

 

出版商: American Association of Physics Teachers

 

关键词: MAGNETIC FIELDS;AXIAL SYMMETRY;ELECTRIC DISCHARGES;ELECTRIC DIPOLES;CHARGE DISTRIBUTION;ELECTRIC CURRENTS;MAGNETIC DIPOLES;ELECTRIC MOMENTS;MAGNETIC MOMENTS;MULTIPOLES;MULTIPOLE RADIATION;ROTATION;SPHERICAL HARMONICS

 

数据来源: AIP

 

摘要:

It has been shown that when an axially symmetric localized charge distribution carrying a single electric multipole momentQl0is rotated about its symmetry axis, it developes magnetic multipole momentsMl−1,0,Ml+1,0of ordersl−1 andl+1 only. The lower orderl−1 does not contribute forl=0, 1. The resulting magnetic field is a superposition of two pure multipole fields.

 

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