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Extension of the namikawa-matsushita antidynamo theorem to toroidal fields

 

作者: D.J. Ivers,   R.W. James,  

 

期刊: Geophysical & Astrophysical Fluid Dynamics  （Taylor Available online 1986）
卷期: Volume 36, issue 3-4  

页码: 317-323

 

ISSN:0309-1929

 

年代: 1986

 

DOI:10.1080/03091928608210089

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Poloidal magnetic fields induced by radial flows under spherically symmetric conditions are known to decay pointwise to zero on a diffusion time-scale. We here prove decay to zero on the diffusion time-scale, in an integral sense, of toroidal fields in the same conditions.

 

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