Ponderomotive electron physics captured in single-fluid extended MHD modelThe well-known ponderomotive force, arising from the interaction of matter and light, has critical implications across a broad range of fields from laser fusion and astrophysics to laser diagnostics…James R. Young, Pierre-Alexandre Gourdain·May 29, 2024SaveLearn
Estimated electric conductivities of thermal plasma for air-fuel combustion and oxy-fuel combustion with potassium or cesium seedingA complete model for estimating the electric conductivity of combustion product gases, with added cesium (Cs) or potassium (K) vapor for ionization, is presented. Neutral carrier gases serve as the…Osama A. Marzouk·May 29, 2024SaveLearn
Shock Wave Formation in Radiative PlasmasThe temporal evolution of weak shocks in radiative media is theoretically investigated in this work. The structure of radiative shocks has traditionally been studied in a stationary framework. Their…F. Garcia-Rubio, V. Tranchant, E. C. Hansen et al.·May 29, 2024SaveLearn
On Magnetic Compression in Gyrokinetic Field TheoryThe issue of finite magnetic compressibility in low-beta magnetised plasmas is considered within the gyrokinetic description. The gauge transformation method of Littlejohn is used to obtain a…Bruce D. Scott·May 29, 2024SaveLearn
Effect of insulator end cap thickness on time-dependent Hartmann flow in a rotating mirrorWe present a framework for analyzing plasma flow in a rotating mirror. By making a series of physical assumptions, we reduce the magnetohydrodynamic (MHD) equations in a three-dimensional cylindrical…Rahul Gaur, Ian G. Abel, Bindesh Tripathi et al.·May 28, 2024SaveLearn
Conceptual Design of a Doppler Spectrometer for 102 m/s Cross-Field Flows in Tokamak DivertorsIt has been theoretically predicted that the drift caused by the spontaneously generated potential in scrape-off-layers (SOLs) and divertors in tokamaks is of a similar size to the poloidal…Keisuke Fujii, Ryuichi Sano, Tomohide Nakano et al.·May 28, 2024SaveLearn
Bulk viscosity of the rigid rotor one-component plasmaBulk viscosity of a plasma consisting of strongly coupled diatomic ions is computed using molecular dynamics simulations. The simulations are based on the rigid rotor one-component plasma, which is…Jarett LeVan, Marco Acciarri, Scott Baalrud·May 28, 2024SaveLearn
Advances in laser-plasma interactions using intense vortex laser beamsLow-intensity light beams carrying Orbital Angular Momentum (OAM), commonly known as vortex beams, have garnered significant attention due to promising applications in areas ranging from optical…Yin Shi, Xiaomei Zhang, Alexey Arefiev et al.·May 28, 2024SaveLearn
Isotope effects and Alfven eigenmode stability in JET H, D, T, DT, and He plasmasWhile much about Alfven eigenmode (AE) stability has been explored in previous and current tokamaks, open questions remain for future burning plasma experiments, especially regarding exact stability…R. A. Tinguely, P. G. Puglia, S. Dowson et al.·May 28, 2024SaveLearn
A numerical integration scheme for vectorised phase-space of one-dimensional collision-free, electrostatic systemsThe kinetic analyses of many-particle soft matter often employ many simulation studies of various physical phenomena which supplement the experimental limitations or compliment the theoretical…Allen Lobo, Vinod Kumar Sayal·May 27, 2024SaveLearn
Electron-only reconnection and ion heating in 3D3V hybrid-Vlasov plasma turbulenceWe perform 3D3V hybrid-Vlasov simulations of turbulence with quasi-isotropic, compressible injection near ion scales to mimic the Earth's magnetosheath plasma, and investigate the novel…C. Granier, S. S. Cerri, F. Jenko·May 26, 2024SaveLearn
The effect of external magnetic field on electron scale Kelvin-Helmholtz instabilityWe use particle-in-cell, fully electromagnetic, plasma kinetic simulation to study the effect of external magnetic field on electron scale Kelvin-Helmholtz instability (ESKHI). The results are…D. Tsiklauri·May 25, 2024SaveLearn
Investigating Turbulence Effects on Magnetic Reconnection Rates Through Three-Dimensional Resistive Magnetohydrodynamical SimulationsWe investigate the impact of turbulence on magnetic reconnection through high-resolution 3D magnetohydrodynamical (MHD) simulations, spanning Lundquist numbers from S=103 to 106. Building on…Giovani H. Vicentin, Grzegorz Kowal, Elisabete M. de Gouveia Dal Pino et al.·May 24, 2024SaveLearn
Material Barriers to the Diffusive Magnetic Flux in MagnetohydrodynamicsRecent work has identified objective (frame-indifferent) material barriers that inhibit the transport of dynamically active vectorial quantities (such as linear momentum, angular momentum and…A. Encinas-Bartos, B. Kaszás, S. Servidio et al.·May 24, 2024SaveLearn
Going Beyond the MHD Approximation: Physics-Based Numerical Solution of the CGL EquationsWe present a new numerical model for solving the Chew-Goldberger-Low system of equations describing a bi-Maxwellian plasma in a magnetic field. Heliospheric and geospace environments are often…Deepak Bhoriya, Dinshaw S. Balsara, Vladimir Florinski et al.·May 24, 2024SaveLearn
Laser-cluster interaction in an external magnetic field: the effect of laser polarizationCollisionless absorption of laser energy by an electron via laser-cluster interaction in an ambient magnetic field (B0) has recently renewed interest. %due to high levels of absorption.…Kalyani Swain, Mrityunjay Kundu·May 24, 2024SaveLearn
Phase Separations of Strongly Coupled Fine Particles and Fine Particle Mixtures in PlasmasPhase separations in strongly coupled fine particles in plasmas are discussed and two-component mixtures are simulated by molecular dynamics with the background plasma being treated as continuum. The…Hiroo Totsuji·May 23, 2024SaveLearn
Effect of magnetic field configuration on double layer formation and reverse discharge ignition in bipolar HiPIMSThe reverse discharge (RD) phenomenon in bipolar HiPIMS has been observed when a sufficiently long positive pulse is applied to the magnetron. Due to the magnetic field, electrons accumulated behind…M. Farahani, T. Kozák, A. D. Pajdarová et al.·May 23, 2024SaveLearn
Experimental observations of bifurcated power decay lengths in the near Scrape-Off Layer of tokamak plasmasThe scrape-off layer parallel heat flux decay lengths measured at ST40, a high field, low aspect ratio spherical tokamak, have been observed to bifurcate into two groups. The wide group matches…X Zhang, C Marsden, M Moscheni et al.·May 23, 2024SaveLearn
Experimental investigation of an electronegative cylindrical capacitively coupled geometrically asymmetric plasma discharge with an axisymmetric magnetic fieldIn this study, we have investigated the production of negative ions by mixing electronegative oxygen gas with electropositive argon gas in a geometrically asymmetric cylindrical capacitively coupled…Swati Dahiya, Narayan Sharma, Shivani Geete et al.·May 23, 2024SaveLearn
Generation of mega-gauss axial and azimuthal magnetic fields in a solid plasma by ultrahigh intensity, circularly polarised femtosecond laser pulsesThe interaction of intense linearly polarized femtosecond laser pulses with solids is known to generate azimuthal magnetic fields, while circularly polarized light has been shown to create axial…Anandam Choudhary, Laxman Prasad Goswami, C. Aparajit et al.·May 23, 2024SaveLearn
Laboratory-scale Perpendicular Collisionless Shock Generation and Ion Acceleration in Magnetized Head-on Colliding PlasmasMagnetized collisionless shocks drive particle acceleration broadly in space and astrophysics. We perform the first large-scale particle-in-cell simulations with realistic laboratory parameters…P. Liu, D. Wu, D. W. Yuan et al.·May 23, 2024SaveLearn
Extension of the SpK Atomic Physics Code to Generate Global Equation of State DataGlobal microphysics models are required for the modelling of high-energy-density physics (HEDP) experiments, the improvement of which are critical to the path to inertial fusion energy. This work…Adam R. Fraser, A. J. Crilly, N. P. L. Niasse et al.·May 22, 2024SaveLearn
Turbulent Thermal Equilibration of Collisionless Magnetospheric PlasmasHow thermal equilibrium is determined in a weakly collisional plasma is a fundamental question in plasma physics. This letter shows that the turbulence driven by the magnetic curvature and density…Ryusuke Numata·May 22, 2024SaveLearn
Assessing Proton-Boron Fusion Feasibility under non-Thermal Equilibrium Conditions: Rider's Inhibition RevisitedCompared to the D-T reaction, the neutron-free proton-boron (p-11B) fusion has garnered increasing attention in recent years. However, significant Bremsstrahlung losses pose a formidable…S. J. Liu, D. Wu, B. Liu et al.·May 22, 2024SaveLearn