Lowering the reactor breakeven requirements for proton-Boron 11 fusionRecently, it has been shown that altering the natural collisional power flow of the proton-Boron 11 (pB11) fusion reaction can significantly reduce the Lawson product of ion density and confinement…Ian E. Ochs, Nathaniel J. Fisch·Oct 27, 2023SaveLearn
Semi-analytical derivation of the 2D all-FLR ICRH wave equation as a high-order partial differential equationFor 1-dimensional applications, Bude's method [Bude et al, Plasma Phys. Control. Fusion, 63 (2021) 035014] has been shown to be capable of accurately solving the all-FLR (Finite Larmor Radius)…Dirk Van Eester, Ernesto Lerche·Oct 27, 2023SaveLearn
Deleterious satellite charging and possible mitigation schemesElectrostatic charge dissipation is one of the major concerns for satellites operating in the Earth's orbits. Under energetic plasma conditions, they may acquire very high negative potential (up…Akash Yadav, S. K. Mishra·Oct 27, 2023SaveLearn
Learning the dynamics of a one-dimensional plasma model with graph neural networksWe explore the possibility of fully replacing a plasma physics kinetic simulator with a graph neural network-based simulator. We focus on this class of surrogate models given the similarity between…Diogo D Carvalho, Diogo R Ferreira, Luis O Silva·Oct 26, 2023SaveLearn
Electron Energization in Reconnection: Eulerian versus Lagrangian PerspectivesParticle energization due to magnetic reconnection is an important unsolved problem for myriad space and astrophysical plasmas. Electron energization in magnetic reconnection has traditionally been…Jason M. TenBarge, James Juno, Gregory G. Howes·Oct 26, 2023SaveLearn
Exactly energy-conserving electromagnetic Particle-in-Cell method in curvilinear coordinatesIn this paper, we introduce and discuss an exactly energy-conserving Particle-in-Cell method for arbitrary curvilinear coordinates. The flexibility provided by curvilinear coordinates enables the…Joost Croonen, Luca Pezzini, Fabio Bacchini et al.·Oct 26, 2023SaveLearn
Kinetic stability of Chapman-Enskog plasmasIn this paper, we investigate the kinetic stability of classical, collisional plasma - that is, plasma in which the mean-free-path λ of constituent particles is short compared to the length scale…Archie F. A. Bott, Steven C. Cowley, Alexander A. Schekochihin·Oct 26, 2023SaveLearn
Virial coefficients of the Uniform Electron Gas from Path Integral Monte Carlo SimulationsThe properties of plasmas in the low-density limit are described by virial expansions. Analytical expressions are known from Green's function approaches only for the first three virial…Gerd Röpke, Tobias Dornheim, Jan Vorberger et al.·Oct 26, 2023SaveLearn
Introducing dusty plasma particle growth of nanospherical titanium dioxideIn dusty plasma environments, the spontaneous growth of nanoparticles from reactive gases has been extensively studied for over three decades, primarily focusing on hydrocarbons and silicate…Bhavesh Ramkorun, Swapneal Jain, Adib Taba et al.·Oct 26, 2023SaveLearn
Experimental investigations of quasi-coherent micro-instabilities in Ohmic plasmasThe ITG and TEM instabilities with quasi-coherent spectra have been identified experimentally, by the newly developed far-forward collective scattering measurements in J-TEXT tokamak Ohmical plasmas.…Peng Shi, J. C. Li, G. Zhuang et al.·Oct 26, 2023SaveLearn
Validation of SOLPS-ITER Simulations against the TCV-X21 Reference CaseThis paper presents a quantitative validation of SOLPS-ITER simulations against the TCV-X21 reference case and provides insights into the neutral dynamics and ionization source distribution in this…Y. Wang, C. Colandrea, D. S. Oliveira et al.·Oct 26, 2023SaveLearn
Transport Barriers in Magnetized Plasmas -- General Theory with Dynamical ConstraintsA fundamental dynamical constraint -- that fluctuation induced charge-weighted particle flux must vanish -- can prevent instabilities from accessing the free energy in the strong gradients…Mike Kotschenreuther, Xing Liu, Swadesh M. Mahajan et al.·Oct 26, 2023SaveLearn
Introducing the Novatron, a novel mirror fusion conceptA new magnetic mirror-cusp concept is described - the Novatron - with the potential to confine compact and stable fusion plasmas. Traditionally, the major challenges for open field line designs…Jan Jäderberg, Katarina Bendtz, Kristoffer Lindvall et al.·Oct 25, 2023SaveLearn
Inelastic collisions facilitating runaway electron generation in weakly-ionized plasmasDreicer generation is one of the main mechanisms of runaway electrons generation, in particular during tokamak startup. In fully ionized plasma it is described as a diffusive flow from the Maxwellian…Y. Lee, P. Aleynikov, P. C. de Vries et al.·Oct 25, 2023SaveLearn
From Basics to Frontiers: A Comprehensive Review of Plasma-Modified and Plasma-Synthesized Polymer FilmsThis comprehensive review begins by tracing the historical development and progress of cold plasma technology as an innovative approach to polymer engineering. The study emphasizes the versatility of…Thierry Dufour·Oct 25, 2023SaveLearn
Release of Arabidopsis seed dormancy by cold atmospheric plasma relies on cytoplasmic glass transitionWhen mature Arabidopsis thaliana seeds are dormant, their germination is prevented in apparently favourable conditions. This primary dormancy can be released during seed dry storage through a process…Jonas August, Thierry Dufour, Christophe Bailly·Oct 25, 2023SaveLearn
Stand-off runaway electron beam termination by tungsten particulates for tokamak disruption mitigationStand-off runaway electron termination by injected tungsten particulates offers a plausible option in the toolbox of disruption mitigation. Tungsten is an attractive material choice for this…Michael A. Lively, Danny Perez, Blas P. Uberuaga et al.·Oct 25, 2023SaveLearn
Scale Filtering Analysis of Kinetic Reconnection and its Associated TurbulencePreviously, using an incompressible von Kármán-Howarth formalism, the behavior of cross-scale energy transfer in magnetic reconnection and turbulence was found to be essentially identical to each…Subash Adhikari, Yan Yang, William H. Matthaeus et al.·Oct 25, 2023SaveLearn
Fully kinetic study of facility pressure effects on RF-source magnetic nozzlesA fully kinetic 2D axisymmetric Particle-in-Cell (PIC) model is used to examine the effects of background facility pressure on the plasma transport and propulsive efficiency of magnetic nozzles.…Raoul Andriulli, Shaun Andrews, Nabil Souhair et al.·Oct 25, 2023SaveLearn
On the energy spectrum evolution of electrons undergoing radiation coolingRadiative cooling of electron beams interacting with counter-propagating electromagnetic waves is analyzed, taking into account the quantum modification of the radiation friction force. Central…S. V. Bulanov, G. M. Grittani, R. Shaisultanov et al.·Oct 24, 2023SaveLearn
Spatial dynamics formulation of magnetohydrostaticsWe present a formalism for importing techniques from dynamical systems theory in the study of three-dimensional magnetohydrodynamic (MHD) equilibria. By treating toroidal angle as time, we…J. W. Burby, M. H. Updike·Oct 24, 2023SaveLearn
High frequency non-gyrokinetic turbulence at tokamak edge parameterFirst of a kind 6D-Vlasov computer simulations of high frequency ion Bernstein wave turbulence for parameters relevant to the tokamak edge show transport comparable to sub-Larmor-frequency…Mario Raeth, Klaus Hallatschek·Oct 24, 2023SaveLearn
The residual flow in well-optimized stellaratorsThe gyrokinetic theory of the residual flow, in the electrostatic limit, is revisited, with optimized stellarators in mind. We consider general initial conditions for the problem, and identify cases…G. G. Plunk, P. Helander·Oct 22, 2023SaveLearn
Kinetic simulations of non-relativistic high-Mach-number perpendicular shocks propagating in a turbulent mediumStrong non-relativistic shocks are known to accelerate particles up to relativistic energies. However, for Diffusive Shock Acceleration electrons must have a highly suprathermal energy, implying a…Karol Fulat, Artem Bohdan, Gabriel Torralba Paz et al.·Oct 22, 2023SaveLearn
Phase Control of Nonlinear Breit-Wheeler Pair CreationElectron-positron pair creation occurs throughout the universe in the environments of extreme astrophysical objects, such as pulsar magnetospheres and black hole accretion disks. The difficulty of…B. Barbosa, J. P. Palastro, D. Ramsey et al.·Oct 20, 2023SaveLearn