We show that a non-thermal electron distribution may change the nature of ion acoustic solitons. If the ions are assumed to respond as a fluid to perturbations in the potential, with no significant trapping in a potential well, then a thermal plasma only supports a solitary waves with a density peak. However, with a suitable distribution of non-thermal particles, solitary waves with both densit...

The 'Acceleration, Reconnection, Turbulence and Electrodynamics of the Moon's Interaction with Sun' (ARTEMIS) mission provides a unique opportunity to study structure interplanetary shocks associated generation plasma waves frequencies between ~50-8000 Hz due its long duration electric magnetic field burst waveform captures. We compare wave properties occurrence rates at 11 quasi-perpendicular ...

Article history: Received 23 May 2011 Accepted 6 June 2011 Available online 14 June 2011 Communicated by V.M. Agranovich Dust heating in dusty plasmas due to thermal electric field fluctuations and dust acoustic waves is examined. It is shown that dust particles acquire large random motion in fluctuating electric fields (within dust cloud) of background plasma causing dust electrostatic pressur...

Research in ultrasonography has evidenced the propagation of a peculiar kind of excitation in fluids. Such excitation, dubbed a X-wave, has characteristics resembling that of a solitary-wave type. We reconsider the problem in a medium consisting of a biological material of the like of α-helix proteins. It can be shown that in this case is expected an excitation of the Davydov’s solitary wave ty...

Introduction The damping rate of ion-acoustic waves in plasma plays an important role in establishing the threshold for the onset of stimulated Brillouin scattering, ion-temperature-gradient instability, current-driven ion-acoustic instability, and other drift-wave microinstabilities. The effect of electron-ion (ei) collisions on the ion-acoustic damping rate has been recently investigated by a...

A mathematical formalism is developed for calculating the ion polarization term in the Rutherford island width evolution equation in the presence of drift-acoustic waves. The calculation is fully nonlinear, includes both ion and electron diamagnetic effects, as well as ion compressibility, but is performed in slab geometry. Magnetic islands propagating in a certain range of phase velocities are...