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Screw dynamos of non-neutral beam-plasma systems in astrophysical jets
Chun Yu Ma ; De Yu Wang
1995
Source PublicationPhysics of Plasmas
Volume2Issue:5Pages:1361-1363
AbstractAstrophysical jets are composed of plasmas in which there are relativistic electrons and other cosmic ray particles generated by in situ reacceleration. The equilibrium analysis of a non-neutral beam-plasma system shows that the fluid components rotate around the cylindrical axis. When the relativistic electrons propagate through the background plasma of astrophysical jets, it is found that even very small non-neutrality will cause a differential rotation velocity large enough to amplify magnetic fields to a few microgausses on kiloparsec scales by the kinematic screw dynamo mechanism. The amplified magnetic field concentrates within a thin cylindrical shell, so it is beneficial for the confinement and collimation of jets
Subject Area天文和天体物理
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8491
Collection期刊(老文献)
Recommended Citation
GB/T 7714
Chun Yu Ma,De Yu Wang. Screw dynamos of non-neutral beam-plasma systems in astrophysical jets[J]. Physics of Plasmas,1995,2(5):1361-1363.
APA Chun Yu Ma,&De Yu Wang.(1995).Screw dynamos of non-neutral beam-plasma systems in astrophysical jets.Physics of Plasmas,2(5),1361-1363.
MLA Chun Yu Ma,et al."Screw dynamos of non-neutral beam-plasma systems in astrophysical jets".Physics of Plasmas 2.5(1995):1361-1363.
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