Physics
Scientific paper
Aug 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phfl...31.2190q&link_type=abstract
Physics of Fluids (ISSN 0031-9171), vol. 31, Aug. 1988, p. 2190-2200.
Physics
15
Computerized Simulation, Electron Energy, Ion Acoustic Waves, Magnetoplasmadynamics, Plasma Layers, Wave Equations, Low Temperature, Magnetic Fields, Thermal Energy, Vlasov Equations
Scientific paper
The evolution of negative potential pulses in a magnetized plasma is studied. A three-dimensional nonlinear ion-acoustic wave equation, including nonstationary effects of reflected electrons, has been derived from the Poisson-Vlasov equations with uniform magnetic field. The studies show that a negative potential pulse can be enhanced by drifting electrons. The growing pulse develops asymmetrically with an oscillatory precursor and a local potential jump resembling the early phase of weak double layer formation.
Hudson Mary K.
Lotko William
Qian Sai
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