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.
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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.
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Li, H., Liu, Y. The Effect of Magnetic and Density Differences on the Fast Kink Oscillations of Neighboring Coronal Loops. Sol Phys 293, 105 (2018). https://doi.org/10.1007/s11207-018-1327-0
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DOI: https://doi.org/10.1007/s11207-018-1327-0