Violation of Field Line Conservation and Associated Spatial Scales in Particle‐in‐Cell Simulations and MMS Data
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017ja024467
Abstract: For the first time, space flight technology exists to detect, in situ, violation of magnetic field line conservation. The violation of magnetic line conservation on scales smaller than the system size is a necessary and… read more here.
Keywords: line conservation; field; particle cell; violation ... See more keywords
Geometric electrostatic particle-in-cell algorithm on unstructured meshes
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Plasma Physics"
DOI: 10.1017/s0022377821000702
Abstract: We present a geometric particle-in-cell (PIC) algorithm on unstructured meshes for studying electrostatic perturbations with frequency lower than electron gyrofrequency in magnetized plasmas. In this method, ions are treated as fully kinetic particles and electrons… read more here.
Keywords: particle cell; pic; algorithm unstructured; unstructured meshes ... See more keywords
Particle‐in‐Cell Simulation of Rising‐Tone Magnetosonic Waves
Sign Up to like & getrecommendations! Published in 2020 at "Geophysical Research Letters"
DOI: 10.1029/2020gl089671
Abstract: Recent observations have reported that magnetosonic waves can exhibit rising‐tone structures in the frequency‐time spectrogram. However, the generation mechanism has not been identified yet. In this paper, we investigate the generation of rising‐tone magnetosonic waves… read more here.
Keywords: particle cell; magnetosonic waves; tone magnetosonic; rising tone ... See more keywords
Particle‐In‐Cell Modeling of Martian Magnetic Cusps and Their Role in Enhancing Nightside Ionospheric Ion Escape
Sign Up to like & getrecommendations! Published in 2021 at "Geophysical Research Letters"
DOI: 10.1029/2020gl090763
Abstract: Amongst various escape channels, ion outflow is a major contributor to atmospheric loss at Mars over geologic time. On Mars' nightside, observations have indicated that cusp regions within crustal magnetic fields are associated with phenomena… read more here.
Keywords: magnetic cusps; ion; escape; ion escape ... See more keywords
Particle-in-cell simulation for frequency up-conversion of microwave pulse in a rapidly created plasma
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.4978292
Abstract: Microwave pulse propagation through a rapidly created plasma and frequency up-conversion has been demonstrated by the particle-in-cell (PIC) method. Compared with the finite-difference time-domain method in which the time-varying plasma is simplified as a dielectric… read more here.
Keywords: created plasma; conversion; frequency conversion; microwave pulse ... See more keywords
Particle-in-cell simulations of the ion extraction and acceleration processes in the alternative low power hybrid ion engine (ALPHIE)
Sign Up to like & getrecommendations! Published in 2019 at "Physics of Plasmas"
DOI: 10.1063/1.5084242
Abstract: The electric charge transport through the two-grid systems of the Alternative Low Power Ion Engine is studied using a particle-in-cell (PIC) code. In this plasma thruster design, the ionizing electrons from the only cathode and… read more here.
Keywords: ion engine; electric charge; ion; low power ... See more keywords
Particle-in-cell simulations of density peak formation and ion heating from short pulse laser-driven ponderomotive steepening
Sign Up to like & getrecommendations! Published in 2019 at "Physics of Plasmas"
DOI: 10.1063/1.5108811
Abstract: We use particle-in-cell (PIC) simulations and simple analytic models to investigate the laser-plasma interaction known as ponderomotive steepening. When normally incident laser light reflects at the critical surface of a plasma, the resulting standing electromagnetic… read more here.
Keywords: density; laser; density peak; particle cell ... See more keywords
Externally driven bifurcation of current sheet: A particle-in-cell simulation
Sign Up to like & getrecommendations! Published in 2021 at "AIP Advances"
DOI: 10.1063/5.0037770
Abstract: A current sheet is a confined layer of electric current in the presence of a strong magnetic gradient, which exists ubiquitously in space and the universe. Magnetic energy is stored in current sheets and then… read more here.
Keywords: cell simulation; sheet; current sheet; particle cell ... See more keywords
Verification of a fully implicit particle-in-cell method for the v ∥-formalism of electromagnetic gyrokinetics in the XGC code
Sign Up to like & getrecommendations! Published in 2021 at "Physics of Plasmas"
DOI: 10.1063/5.0047842
Abstract: A fully implicit particle-in-cell method for handling the v‖-formalism of electromagnetic gyrokinetics has been implemented in XGC. By choosing the v‖ formalism, we avoid introducing the non-physical skin terms in Ampère’s law, which are responsible… read more here.
Keywords: cell method; implicit particle; particle; fully implicit ... See more keywords
Laser-driven, ion-scale magnetospheres in laboratory plasmas. II. Particle-in-cell simulations
Sign Up to like & getrecommendations! Published in 2022 at "Physics of Plasmas"
DOI: 10.1063/5.0084354
Abstract: Ion-scale magnetospheres have been observed around comets, weakly magnetized asteroids, and localized regions on the Moon and provide a unique environment to study kinetic-scale plasma physics, in particular in the collision-less regime. In this work,… read more here.
Keywords: ion scale; scale; particle cell; scale magnetospheres ... See more keywords
Hybrid-VPIC: An open-source kinetic/fluid hybrid particle-in-cell code
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Plasmas"
DOI: 10.1063/5.0146529
Abstract: Hybrid-VPIC is an extension of the open-source high-performance particle-in-cell (PIC) code VPIC incorporating hybrid kinetic ion/fluid electron solvers. This paper describes the models that are available in the code and gives an overview of applications… read more here.
Keywords: particle cell; hybrid vpic; fluid; open source ... See more keywords