Evolution of a Cold Non-neutral Electron–Positron Plasma Slab
You-Mei Wang1, M. Y. Yu2,3**, L. Stenflo4, A. R. Karimov5,6
1Department of Physics, School of Science, Hangzhou Dianzi University, Hangzhou 310018 2Institute for Fusion Theory and Simulation, Department of Physics, Zhejiang University, Hangzhou 310027 3Institute for Theoretical Physics I, Ruhr University, Bochum D-44789, Germany 4Department of Physics, Link?ping University, Link?ping SE-58183, Sweden 5Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya 13/19, Moscow 127412, Russia 6Department of Electrophysical Facilities, National Research Nuclear University MEPhI, Kashirskoye shosse 31, Moscow 115409, Russia
Abstract:Evolution of a non-neutral cold electron–positron plasma slab is investigated. Initially the slab consists of a quasineutral plasma core bounded on both sides by layers containing only positrons (or electrons). Results from a nonperturbative, or mathematically exact, analysis of the governing fluid conservation equations and the Poisson equation show that despite their equal mass and charge magnitude, the electron and positron fronts can expand separately as well as a single fluid, and that nonlinear surface oscillations can be excited on the expansion fronts.
. [J]. 中国物理快报, 2016, 33(08): 85205-085205.
You-Mei Wang, M. Y. Yu, L. Stenflo, A. R. Karimov. Evolution of a Cold Non-neutral Electron–Positron Plasma Slab. Chin. Phys. Lett., 2016, 33(08): 85205-085205.