Abstract A simple and efficient screening model for studying the effects of superstrong magnetic fields (such as those of magnetars) on thermonuclear reaction rates on magnetar surfaces is proposed in this paper. The most interesting thermonuclear reactions, including hydrogen burning by the CNO cycle and helium burning by the triple alpha reaction, are investigated on the surface of magnetars. We find that the superstrong magnetic fields can increase the thermonuclear reaction rates by many orders of magnitude. The enhancement may have a dramatic effect on the thermonuclear runaways and bursts on the surfaces of magnetars.
Received: 03 December 2007
Revised: 04 January 2008
Accepted manuscript online:
PACS:
97.10.Ld
(Magnetic and electric fields; polarization of starlight)
Fund: Project supported by the National
Natural Science Foundation of China (Grant No 10778719); the
Scientific Research and Fund of Sichuan Provincial Education
Department, China (Grant No 2006A079) and the Science and
Technological Foundation of China West No
Cite this article:
Liu Hong-Lin(刘宏林), Luo Zhi-Quan(罗志全),Lai Xiang-Jun(赖祥军), and Liu Jing-Jing(刘晶晶) Effect of superstrong magnetic fields on thermonuclear reaction rates on the surface of magnetars 2008 Chin. Phys. B 17 2317
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