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GEOPHYSICS, ASTRONOMY, AND ASTROPHYSICS: Cluster Observation of Electrostatic Solitary Waves around Magnetic Null Point in Thin Current Sheet

Fu, Song; Zhou, Meng; Wang, Jing-Fang +5 more

Electrostatic solitary waves (ESWs) are observed in the vicinity of the magnetic null of the widely studied magnetic reconnection taking place at the near-earth tail when current sheet becomes dramatic thinning during substorm time on 1 October 2001. We use the Imada method for the 2-D reconnection model and study the characteristics of ESWs near …

GEOPHYSICS, ASTRONOMY, AND ASTROPHYSICS: Is the Near-Earth Current Sheet Prior to Reconnection Unstable to Tearing Mode?

Cao, Jin-Bin; Fu, Hui-Shan; Wei, Xin-Hua +1 more

The tearing mode instability plays a key role in the triggering process of reconnection. The triggering collisionless tearing mode instability has been theoretically and numerically analyzed by many researchers. However, due to the difficulty in obtaining the observational wave number, it is still unknown whether the tearing mode instability can b…