Physics of Plasmas

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Study of small-amplitude magnetohydrodynamic surface waves on liquid metal
Physics of Plasmas - Tập 12 Số 1 - Trang 012102-012102-13 - 2005
Hantao Ji, W. Fox, D. C. Pace, H. L. Rappaport
Response to “Comment on ‘A new mathematical approach for finding the solitary waves in dusty plasma’ ” [Phys. Plasmas 6, 4392 (1999)]
Physics of Plasmas - Tập 6 Số 11 - Trang 4394-4397 - 1999
G. C. Das, Jnanjyoti Sarma
Electron-acoustic solitary waves in the Earth's inner magnetosphere
Physics of Plasmas - Tập 25 Số 2 - 2018
C. S. Dillard, I. Y. Vasko, F. S. Mozer, O. V. Agapitov, J. W. Bonnell
The broadband electrostatic turbulence observed in the inner magnetosphere is produced by large-amplitude electrostatic solitary waves of generally two types. The solitary waves with symmetric bipolar parallel (magnetic field-aligned) electric field are electron phase space holes. The solitary waves with highly asymmetric bipolar parallel electric field have been recently shown to correspo...... hiện toàn bộ
Existence domain of electrostatic solitary waves in the lunar wake
Physics of Plasmas - Tập 25 Số 3 - 2018
R. Rubia, S. V. Singh, G. S. Lakhina
Electrostatic solitary waves (ESWs) and double layers are explored in a four-component plasma consisting of hot protons, hot heavier ions (He++), electron beam, and suprathermal electrons having κ-distribution using the Sagdeev pseudopotential method. Three modes exist: slow and fast ion-acoustic modes and electron-acoustic mode. The occurrence of ESWs and their existence domain as a funct...... hiện toàn bộ
Electron holes in phase space: What they are and why they matter
Physics of Plasmas - Tập 24 Số 5 - 2017
I. H. Hutchinson
This is a tutorial and selective review explaining the fundamental concepts and some currently open questions concerning the plasma phenomenon of the electron hole. The widespread occurrence of electron holes in numerical simulations, space-craft observations, and laboratory experiments is illustrated. The elementary underlying theory is developed of a one-dimensional electron hole as a lo...... hiện toàn bộ
Electron acoustic solitary waves in a magnetized plasma with nonthermal electrons and an electron beam
Physics of Plasmas - Tập 23 Số 8 - 2016
S. V. Singh, S. Devanandhan, G. S. Lakhina, R. Bharuthram
A theoretical investigation is carried out to study the obliquely propagating electron acoustic solitary waves having nonthermal hot electrons, cold and beam electrons, and ions in a magnetized plasma. We have employed reductive perturbation theory to derive the Korteweg-de-Vries-Zakharov-Kuznetsov (KdV-ZK) equation describing the nonlinear evolution of these waves. The two-dimensional pla...... hiện toàn bộ
Arbitrary amplitude slow electron-acoustic solitons in three-electron temperature space plasmas
Physics of Plasmas - Tập 22 Số 6 - Trang 062307 - 2015
L. N. Mbuli, S. K. Maharaj, R. Bharuthram, S. V. Singh, G. S. Lakhina
Electron acoustic waves in a magnetized plasma with kappa distributed ions
Physics of Plasmas - Tập 19 Số 8 - 2012
S. Devanandhan, S. V. Singh, G. S. Lakhina, R. Bharuthram
Electron acoustic solitary waves in a two component magnetized plasma consisting of fluid cold electrons and hot superthermal ions are considered. The linear dispersion relation for electron acoustic waves is derived. In the nonlinear regime, the energy integral is obtained by a Sagdeev pseudopotential analysis, which predicts negative solitary potential structures. The effects of superthe...... hiện toàn bộ
Ion acoustic solitons and supersolitons in a magnetized plasma with nonthermal hot electrons and Boltzmann cool electrons
Physics of Plasmas - Tập 21 Số 8 - 2014
O. R. Rufai, R. Bharuthram, S. V. Singh, G. S. Lakhina
Arbitrary amplitude, ion acoustic solitons, and supersolitons are studied in a magnetized plasma with two distinct groups of electrons at different temperatures. The plasma consists of a cold ion fluid, cool Boltzmann electrons, and nonthermal energetic hot electrons. Using the Sagdeev pseudo-potential technique, the effect of nonthermal hot electrons on soliton structures with other plasm...... hiện toàn bộ
Arbitrary amplitude fast electron-acoustic solitons in three-electron component space plasmas
Physics of Plasmas - Tập 23 Số 6 - 2016
L. N. Mbuli, S. K. Maharaj, R. Bharuthram, S. V. Singh, G. S. Lakhina
We examine the characteristics of fast electron-acoustic solitons in a four-component unmagnetised plasma model consisting of cool, warm, and hot electrons, and cool ions. We retain the inertia and pressure for all the plasma species by assuming adiabatic fluid behaviour for all the species. By using the Sagdeev pseudo-potential technique, the allowable Mach number ranges for fast electron...... hiện toàn bộ
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