Observation of the Optical and Spectral Characteristics of Ball Lightning

被引：85
|
作者：
Cen, Jianyong [1 ]
Yuan, Ping [1 ]
Xue, Simin [1 ]
机构：
[1] Northwest Normal Univ, Key Lab Atom & Mol Phys & Funct Mat Gansu Prov, Coll Phys & Elect Engn, Lanzhou 730070, Gansu, Peoples R China
来源：
PHYSICAL REVIEW LETTERS | 2014年 / 112卷 / 03期
基金：
中国国家自然科学基金;
关键词：
DISCHARGE; ENERGY; FIELD; AIR;
D O I：
10.1103/PhysRevLett.112.035001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Ball lightning (BL) has been observed with two slitless spectrographs at a distance of 0.9 km. The BL is generated by a cloud-to-ground lightning strike. It moves horizontally during the luminous duration. The evolution of size, color, and light intensity is reported in detail. The spectral analysis indicates that the radiation from soil elements is present for the entire lifetime of the BL.
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页数：5
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