期刊
PHYSICS OF PLASMAS
卷 18, 期 9, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.3642605
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资金
- International S & T Cooperation Program of China [2009DFA02320]
- National Basic Research Program of China [2010CB635112]
- National Natural Science Foundation of China [11178002]
Arbitrary amplitude solitary kinetic Alfven waves (KAWs) in a plasma with q-nonextensive electrons are investigated by the conventional Sagdeev pseudopotential method, through which the existence of solitary KAWs is analyzed theoretically and numerically. It is shown only solitons with density hump can exist, the amplitude of which depends sensitively on the parameter q and the plasma beta. There is an upper limit for the amplitude of solitary wave which decreases with the increase of q and beta. The results obtained in the framework of Maxwellian distribution are reproduced when q -> 1. (C) 2011 American Institute of Physics. [doi:10.1063/1.3642605]
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