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Astron. Astrophys. 364, 785-792 (2000)

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Numerical analyses of self-generated magnetic fields with very small scale in solar corona

S.Q. Liu 1,2 and X.Q. Li 3

1 Purple Mountain Observatoy, Academic Sinica, Nanjing 210008, P.R. China
2 Jiangxi Normal University, Department of Physics, Nanchang 330027, P.R. China (xysql@public.nc.jx.cn)
3 Nanjiang Normal University, Department of Physics, Nanjiang 210097, P.R. China (njxqli@jlonline.com)

Received 3 December 1999 / Accepted 4 July 2000


We numerically study the collapse behavior of self-generated magnetic fields described by nonlinear coupling equations. The results show that magnetic fields self-generated by transverse pumping plasmons may collapse, leading to an enhancement of the magnetic field of up to 250 - 500 Gauss in the range around 0.02 - 0.03 km, which corresponds to the inferred inhomogeneity small-scale fields in both the strength and scale in the solar corona.

Key words: Sun: corona – Sun: general – Sun: magnetic fields

Send offprint requests to: S.Q. Liu (Department of Physics, Jiangxi Normal University, Nanchang 330027, P.R. China)

© European Southern Observatory (ESO) 2000

Online publication: January 29, 2001