English
Related papers

Related papers: Similarities between the generation and dynamics o…

200 papers

Current-free double layers of the type reported in plasmas in the presence of an expanding magnetic field [C. Charles and R. W. Boswell, Appl. Phys. Lett. 82, 1356 (2003)] are modeled theoretically and with particle-in-cell/Monte Carlo…

Plasma Physics · Physics 2015-06-12 S. D. Baalrud , T. Lafleur , R. W. Boswell , C. Charles

Heat flux suppression in collisionless plasmas for a large range of plasma $\beta$ is explored using two-dimensional particle-in-cell simulations with a strong, sustained thermal gradient. We find that a transition takes place between…

High Energy Astrophysical Phenomena · Physics 2018-11-14 G. T. Roberg-Clark , J. F. Drake , M. Swisdak , C. S. Reynolds

We analyze the obtained solutions of the non-linear Shroedinger equation for spherically and axially symmetrical electrons density oscillations in plasma. The conditions of the oscillations process existence are examined. It is shown that…

Plasma Physics · Physics 2009-07-31 Maxim Dvornikov , Sergey Dvornikov

A method for the generation of ultrarelativistic electron beams with high spin polarization is put forward, where a tightly-focused linearly-polarized ultraintense laser pulse interacts with a nonprepolarized transverse-size-tailored solid…

Plasma Physics · Physics 2024-06-11 Xiaofei Shen , Zheng Gong , Karen Z. Hatsagortsyan , Christoph H. Keitel

We study the response of a model micro-electrochemical cell to a large ac voltage of frequency comparable to the inverse cell relaxation time. To bring out the basic physics, we consider the simplest possible model of a symmetric binary…

Fluid Dynamics · Physics 2013-12-12 Laurits H. Olesen , Martin Z. Bazant , Henrik Bruus

We theoretically study electrostatic properties of electric double layer using a generalized Poisson-Boltzmann approach taking into account the orientational ordering of water dipoles and the excluded volume effect of water molecules as…

Soft Condensed Matter · Physics 2022-02-14 Jun-Sik Sin , Song-Jin Im , Kwang-Il Kim

Packed bed plasma reactors (PBPRs) inherently have complex geometries where the volume between the electrodes is filled with dielectric/catalytic pellets to form an array of voids and cavities. This design generates multiple length scales…

Plasma Physics · Physics 2020-11-10 Zaka-ul-islam Mujahid , Julian Schulze

Detailed comparisons are reported between laboratory observations of electron-scale dissipation layers near a reconnecting X-line and direct two-dimensional full-particle simulations. Many experimental features of the electron layers, such…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 H. Ji , Y. Ren , M. Yamada , S. Dorfman , W. Daughton , S. P. Gerhardt

The strong influence of the electron dynamics provides the possibility of controlling the expansion of laser-produced plasmas by appropriately shaping the laser pulse. A simple irradiation scheme is proposed to tailor the explosion of large…

Plasma Physics · Physics 2009-11-13 F. Peano , J. L. Martins , R. A. Fonseca , L. O. Silva , G. Coppa , F. Peinetti , R. Mulas

We study both theoretically and experimentally the nonlinear interaction between an intense surface acoustic wave and a two-dimensional electron plasma in semiconductor-piezocrystal hybrid structures. The experiments on hybrid systems…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. O. Govorov , A. V. Kalameitsev , M. Rotter , A. Wixforth , J. P. Kotthaus , K. H. Hoffmann , N. Botkin

We present results of 2D3V particle-in-cell simulations of non-relativistic plasma collisions with absent or parallel large-scale magnetic field for parameters applicable to the conditions at young supernova remnants. We study the collision…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Jacek Niemiec , Martin Pohl , Antoine Bret , Volkmar Wieland

The generation of super-high energetic electrons influenced by pre-plasma at relativistic intensity laser-matter interaction is studied in a one-dimensional slab approximation with particle-in-cell simulations. Different pre-plasma…

Plasma Physics · Physics 2019-02-13 D. Wu , S. I. Krasheninnikov , S. X. Luan , W. Yu

Interaction of an intense electron beam with a finite-length, inhomogeneous plasma is investigated numerically. The plasma density profile is maximal in the middle and decays towards the plasma edges. Two regimes of the two-stream…

Plasma Physics · Physics 2018-01-17 D. Sydorenko , I. D. Kaganovich , P. L. G. Ventzek , L. Chen

For a collisionless plasma in contact with a dielectric surface, where with unit probability electrons and ions are, respectively, absorbed and neutralized, thereby injecting electrons and holes into the conduction and valence band, we…

Plasma Physics · Physics 2020-08-19 K. Rasek , F. X. Bronold , H. Fehske

The electrical double layer for three different topologies of nanopore electrodes is studied, i.e., the interior and exterior electrical double layers of planar, cylindrical and spherical nanopores immersed into a point-ions electrolyte,…

Soft Condensed Matter · Physics 2025-06-10 A. Silva-Caballero , A. Lozada-Hidalgo , M. Lozada-Cassou

Two charge- and current neutral plasma beams are modelled with a one-dimensional PIC simulation. The beams are uniform and unbounded. The relative speed between both beams is 0.4c. One beam is composed of electrons and protons and one out…

Astrophysics · Physics 2014-11-18 M E Dieckmann , A Bret

Electrical characterization of a nonthermal radio-frequency atmospheric-pressure microplasma in a parallel plate configuration has shown that reducing electrode gap into the submillimeter range increases current and power density at a…

Plasma Physics · Physics 2010-03-16 Andrew J. Wagner , Davide Mariotti , Konstantin J. Yurchenko , Tuhin K. Das

A parallel plate capacitor containing an electrolytic solution is the simplest model of a supercapacitor, or electric double layer capacitor. Using both analytical and numerical techniques, we solve the Poisson-Nernst-Planck equations for…

Soft Condensed Matter · Physics 2025-10-02 Ivan Palaia , Adelchi J. Asta , Megh Dutta , Patrick B. Warren , Benjamin Rotenberg , Emmanuel Trizac

The quantum hydrodynamic model of the electrostatic waves in the two parallel layers of two dimensional electron gases (2DEGs) is developed. It is considered for two regimes: classic regime and quantum regime with the separate spin…

Plasma Physics · Physics 2020-01-08 Pavel A. Andreev , T. G. Kiriltseva , Punit Kumar , L. S. Kuz'menkov

Double electron ionisation process occurs when an intense laser pulse interacts with atoms or molecules. Exact {\it ab initio} numerical simulation of such a situation is extremely computer resources demanding, thus often one is forced to…