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- W2035001933 abstract "view Abstract Citations (23) References (15) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Alfven wave collapse and the stability of a relativistic electron beam in a magnetized astrophysical plasma Spangler, S. R. ; Sheerin, J. P. Abstract The generation of Alfven waves by magnetic field-aligned electron streams, and the evolution of such streams under the action of the self-generated waves, remains an important question in theoretical radio astronomy. In this paper a simple derivation is presented of a time scale on which a nonlinear Alfven wave packet collapses. This time scale is compared with the linear growth and quasi-linear relaxation time scales for conditions appropriate to an extragalactic radio source. The nonlinear time scale can be comparable to the linear and quasi-linear time scales, which suggests that nonlinear effects may stabilize this instability and permit the propagation of anisotropic electron streams. Publication: The Astrophysical Journal Pub Date: September 1983 DOI: 10.1086/161290 Bibcode: 1983ApJ...272..273S Keywords: Electron Acceleration; Magnetohydrodynamic Waves; Magnetoplasmadynamics; Radio Astronomy; Relativistic Electron Beams; Space Plasmas; Extragalactic Radio Sources; Magnetohydrodynamic Stability; Plasma-Particle Interactions; Relaxation Time; Solitary Waves; Wave Propagation; Astrophysics full text sources ADS |" @default.
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- W2035001933 date "1983-09-01" @default.
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- W2035001933 title "Alfven wave collapse and the stability of a relativistic electron beam in a magnetized astrophysical plasma" @default.
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