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
A generative machine learning surrogate model of plasma turbulenceGenerative artificial intelligence methods are employed for the first time to construct a surrogate model for plasma turbulence that enables long time transport simulations. The proposed GAIT…B. Clavier, D. Zarzoso, D. del-Castillo-Negrete et al.·May 21, 2024SaveLearn
Green Synthesis of Ammonium Nitrate (NH4NO3) Fertilizer Production: via Plasma Water Ice Interaction with Air and NH3 PlasmaThis study presents a novel and ecofriendly method for synthesizing ammonium nitrate using activated prepared through air and ammonia plasma treatments. Initially, PAW containing nitrate ions is…Vikas Rathore, Vyom Desai, Nirav I Jamnapara et al.·May 21, 2024SaveLearn
Electron collision studies on the CH2+ molecular ionCalculations are performed for electron collision with the methylene molecular ion CH2+ in its bent equilibrium geometry, with the goal to obtain cross sections for electron impact excitation and…K. Chakrabarti, J. Zs Mezei, I. F. Schneider et al.·May 21, 2024SaveLearn
Available energy of plasmas with small fluctuationsThe available energy of a plasma is defined as the maximum amount by which the plasma energy can be lowered by volume-preserving rearrangements in phase space, a so-called Gardner re-stacking. A…P. Helander, R. J. J. Mackenbach·May 21, 2024SaveLearn
Enhanced Terahertz Emission from the Wakefield of CO2 Laser-Created PlasmaHigh-field terahertz (THz) pulse generation is investigated through the interaction of an intense single-color CO2 laser pulse with helium (He) gas targets. Employing multi-dimensional…Srimanta Maity, Garima Arora·May 21, 2024SaveLearn
Different kinds of accelerated propagation of relativistic electromagnetic plasma wavepacketsRelativistic electromagnetic plasma waves are described by a dynamical equation that can be solved not only in terms of plane waves, but for several different accelerating wavepacket solutions.…Felipe A. Asenjo·May 20, 2024SaveLearn
Orbital angular momentum enhanced laser absorption and neutron generationWe experimentally demonstrate enhanced absorption of near relativistic optical vortex beams in D2O plasmas to generate a record fast-neutron yield of 1.45 × 106 n/s/sr. Beams with…Nicholas Peskosky, Nicholas Ernst, Miloš Burger et al.·May 20, 2024SaveLearn
Electron root optimisation for stellarator reactor designsIn this work, we propose a method of optimising stellarator devices to favour the presence of an electron root solution of the radial electric field. Such a solution can help avoid heavy impurity…E. Lascas Neto, R. Jorge, C. D. Beidler et al.·May 20, 2024SaveLearn
Shallow Recurrent Decoder for Reduced Order Modeling of Plasma DynamicsReduced order models are becoming increasingly important for rendering complex and multiscale spatio-temporal dynamics computationally tractable. The computational efficiency of such surrogate models…J. Nathan Kutz, Maryam Reza, Farbod Faraji et al.·May 20, 2024SaveLearn
Dust-ion-acoustic damped solitary waves and shocks in laboratory and Saturn's E-ring magnetized nonthermal dusty plasmas with anisotropic ion pressure and dust-charge fluctuationWe study the oblique propagation of weakly nonlinear dust-ion-acoustic (DIA) solitary waves (SWs) and shocks in collisional magnetized nonthermal dusty plasmas that are relevant in laboratory and…Num Prasad Acharya, Suresh Basnet, Amar P. Misra et al.·May 19, 2024SaveLearn
Edge modes of the Helmholtz-Onsager gas in a multiply-connected domainThe vortex gas is an approximation used to study 2D flow using statistical mechanics methodologies. We investigate low positive Onsager temperature states for the vortex gas on an annular domain.…Richard McQueen, Chjan C. Lim·May 19, 2024SaveLearn
Plasma water treatment for PFAS: Study of degradation of perfluorinated substances and their byproducts by using cold atmospheric pressure plasma jetThis study evaluates the effectiveness of non-thermal plasma at atmospheric pressure (NTP APPJ) for treating PFAS - contaminated water in different matrices. Successful removal of several…Barbara Topolovec, Olivera Jovanovic, Nevena Puac et al.·May 19, 2024SaveLearn