Pattern formation in Vlasov–Poisson plasmas beyond Landau caused by the continuous spectra of electron and ion hole equilibria

H Schamel - Reviews of Modern Plasma Physics, 2023 - Springer
This review presents an upgraded wave theory adapted to the high fluctuation level of driven
realistic, ie, non-idealized plasmas. Based on the author's early publication (H. Schamel …

On the Evolution Equations of Nonlinearly Permissible, Coherent Hole Structures Propagating Persistently in Collisionless Plasmas

H Schamel, N Chakrabarti - Annalen der Physik, 2023 - Wiley Online Library
A fundamental study describing nonlinear plasma wave propagation is presented.
Elementary linear wave theory describes small‐amplitude random waves, but lacks …

Diversity of solitary electron holes operating with non-perturbative trapping

H Schamel, D Mandal, D Sharma - Physics of Plasmas, 2020 - pubs.aip.org
A non-perturbative update of Schamel's pseudo-potential method is employed to show the
diversity in structure formation in collisionless plasmas, manifested already in the solitary …

Evidence of a new class of cnoidal electron holes exhibiting intrinsic substructures, its impact on linear (and nonlinear) Vlasov theories and role in anomalous …

H Schamel, D Mandal, D Sharma - Physica Scripta, 2020 - iopscience.iop.org
Novel types of solitary electron holes or in more general terms a novel class of cnoidal
electron holes propagating in collisionless, driven plasmas is found numerically and …

Two-parametric, mathematically undisclosed solitary electron holes and their evolution equation

H Schamel - Plasma, 2020 - mdpi.com
The examination of the mutual influence of the two main trapping scenarios, which are
characterized by B and D and which in isolation yield the known sech 4 (D= 0) and …

[HTML][HTML] Landau damping in one dimensional periodic inhomogeneous collisionless plasmas

SK Pandey, R Ganesh - AIP Advances, 2021 - pubs.aip.org
Landau damping in a collisionless plasma is a well-known example of wave particle
interaction. In the past, this phenomenon was addressed for homogeneous equilibria in the …

Interaction of driven" cold" electron plasma wave with thermal bulk mediated by spatial ion inhomogeneity

SK Pandey, R Ganesh - arXiv preprint arXiv:2407.18214, 2024 - arxiv.org
Using high resolution Vlasov-Poisson simulations, evolution of driven``cold" electron plasma
wave (EPW) in the presence of stationary inhomogeneous background of ions is studied …

[HTML][HTML] Comment on “Symmetry in electron and ion dispersion in 1D Vlasov-Poisson plasma”[Phys. Plasmas 25, 112102 (2018)]

H Schamel - Physics of Plasmas, 2019 - pubs.aip.org
It is shown that the dispersion relation of “Thumb-Teardrop” type, investigated by Trivedi and
Ganesh [P. Trivedi and R. Ganesh, Phys. Plasmas 25, 112102 (2018)], is, generally …

Trapped particle instability in: I homogeneous Vlasov plasmas

SK Pandey, R Ganesh - Physica Scripta, 2021 - iopscience.iop.org
Kinetic instability due to trapped particles in non-linear evolution of large amplitude
electrostatic waves ie BGK (Bernstein-Greene-Kruskal) mode is investigated in a one …

Driven electrostatic phase space vortices in a 1D weakly dissipative Vlasov–Poisson system

P Trivedi, R Ganesh - Physics of Plasmas, 2020 - pubs.aip.org
The effect of collisions on driven electrostatic phase space vortices is analyzed by means of
Eulerian simulation for two different collision models. It was demonstrated recently [P. Trivedi …