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Solar Physics

, 293:105 | Cite as

The Effect of Magnetic and Density Differences on the Fast Kink Oscillations of Neighboring Coronal Loops

  • Hongbo Li
  • Yu Liu
Article

Abstract

It is reasonable that neighboring coronal loops may obtain similar momentum during a flare. The fast kink oscillations (FKOs) between them are thus mainly influenced by their physical differences. We discuss the dependencies of FKO on the physical properties of coronal loops in a low-\(\beta \) thin-tube approximation. From the analysis, we obtain the analytic relationship between the density [\(\rho _{\mathrm{i}}\)] and magnetic field [\(B\)] of loops and the corresponding period [\(\tau \)] and amplitude [\(A\)] of FKO, which may provide us with a powerful tool to diagnose the physical differences between neighboring loops.

Keywords

Corona, structures Coronal seismology Magnetic fields, corona 

Notes

Acknowledgements

The authors are greatly indebted to the anonymous referees for their constructive advices and corrections. We also thank D. Yuan and J. Su for their help. This work is supported by grants from the National Scientific Foundation of China (NSFC 11533009, 11603074, 11503084, 11773068) and from the Key Laboratory of Geospace Environment, CAS, University of Science & Technology of China. This work is also supported by the grant associated with project of the Group for Innovation of Yunnan Province and the Youth Innovation Promotion Association (2014047) of Chinese Academy of Sciences. Finally, we are also grateful to the One belt and One road project of the West Light Foundation, CAS and the 333 talent project (130101373) of Hebei province.

Disclosure of Potential Conflicts of Interest

The authors declare that they have no conflicts of interest.

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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.Yunnan ObservatoriesChinese Academy of SciencesKunmingChina
  2. 2.Key Laboratory of Geospace Environment, Chinese Academy of SciencesUniversity of Science & Technology of ChinaHefeiChina
  3. 3.University of Chinese Academy of SciencesBeijingChina

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