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Interaction of a permanent magnet with a superconducting hollow cylinder

 

作者: Peter J. Wojtowicz,  

 

期刊: Journal of Applied Physics  (AIP Available online 1990)
卷期: Volume 67, issue 11  

页码: 7154-7156

 

ISSN:0021-8979

 

年代: 1990

 

DOI:10.1063/1.344543

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The Meissner‐effect interaction of a small permanent magnet with a superconducting hollow cylinder has been investigated by solving the Laplace equation numerically using a finite‐difference method. The calculations reveal the existence of stable equilibrium configurations for a range of shapes and sizes of the cylinder. The computed magnitude of the Hooke’s law force constant is close to those measured for small magnets levitated above superconducting disks.

 

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