Wakefield amplification via coherent Resonant excitation with two copropagating laser pulses in homogeneous plasmaIn the present study, wakefield amplification via coherent resonant excitation using two co propagating laser pulses in a homogeneous plasma is investigated. The proposed scheme is based on linearly…Abhishek Kumar Maurya, Dinkar Mishra, Bhupesh Kumar et al.·Mar 23, 2026SaveLearn
A special exact class of three-dimensional equilibria of a magnetized plasma exhibiting closed and nested toroidal magnetic surfacesWe construct a special class of three-dimensional (3D) equilibria with pressure anisotropy which showcase closed, nested toroidal magnetic surfaces that are strongly asymmetric in the toroidal…D. A. Kaltsas, A. I. Kuiroukidis, G. N. Throumoulopoulos·Mar 22, 2026SaveLearn
Orientation-Dependent Ion Acceleration from Laser-Irradiated Rectangular NanoringsLaser-driven ion acceleration from nanostructured targets offers a promising route to compact, high-energy ion sources. In this work, we demonstrate through particle-in-cell simulations that…Xiaohui Gao·Mar 21, 2026SaveLearn
Phase-controlled direct laser acceleration enabled by longitudinal variation of the laser-driven quasi-static plasma magnetic fieldDirect laser acceleration (DLA) enables energy transfer from an ultra-high-intensity laser to plasma electrons and underpins many laser-driven particle and radiation-source concepts. A laser-driven…R. Bhakta, I-L. Yeh, K. Tangtartharakul et al.·Mar 20, 2026SaveLearn
Modeling Temperature Profiles in the Pedestal of NSTX with Reduced ModelsThis paper describes new modeling capabilities for predicting H-mode pedestal profiles in spherical tokamaks. Temperature profiles for NSTX discharges 132543 and 132588 are modeled by coupling the…P. -Y. Li, D. R. Hatch, L. A. Leppin et al.·Mar 20, 2026SaveLearn
An analytical criterion for significant runaway electron generation in activated tokamaksA disrupting plasma in a high-performance tokamak such as ITER or SPARC may generate large runaway electron currents that, upon impact with the tokamak wall, can cause serious damage to the device.…Björn Zaar, István Pusztai, Ida Ekmark et al.·Mar 20, 2026SaveLearn
Control of the bootstrap current in approximately quasi-axisymmetric magnetic fieldsQuasi-axisymmetric stellarators are the stellarator analogue of the axisymmetric tokamak, retaining many of its favorable confinement properties, its compacity and its relative coil simplicity, while…J. L. Velasco, I. Calvo, J. M. García-Regaña·Mar 20, 2026SaveLearn
Physics-informed tritium fuel cycle modelling workflow for fusion reactorsIn this work, we present a multi-fidelity, physics-informed framework for tritium fuel cycle modelling based on the open-source PathSim/PathView platform. Three complementary modelling approaches are…Rémi Delaporte-Mathurin, Ross MacDonald, James Dark et al.·Mar 20, 2026SaveLearn
A finite-difference model for intense light interactions with dielectrics in the ultrafast ionization regimeWe present a computationally efficient model that describes the interaction of intense, ultrashort infrared laser pulses with transparent materials in the strong ionization regime. The model is…Julia Apportin, Christian Peltz, Pavel Polynkin et al.·Mar 19, 2026SaveLearn
Generation of Whistler Waves by Reflected Electrons and Their Self-Confinement at Quasi-Perpendicular ShocksWe investigate the mechanism of whistler-mode wave generation by shock-reflected electrons at quasi-perpendicular collisionless shocks. By employing Liouville mapping to construct the electron…Ruolin Wang, Takanobu Amano·Mar 19, 2026SaveLearn
Evolution of laser-driven magnetic fields from proton tomographySelf-generated magnetic fields are commonly produced in high-power laser-plasma interactions. These fields can inhibit plasma heat-flow which makes them important in inertial fusion and controlled…J. Griff-McMahon, V. Valenzuela-Villaseca, C. A. Walsh et al.·Mar 19, 2026SaveLearn
Quantum Kinetics of Fast-Electron Inelastic Collisions in Partially-Ionized PlasmasFast electrons in partially ionized plasmas lose energy through inelastic collisions with bound electrons. While the mean energy loss is well described by stopping-power theory, fluctuations…Yeongsun Lee, Pavel Aleynikov, Jong-Kyu Park·Mar 19, 2026SaveLearn
Quantifying resonant drive in resistive perturbed tokamak equilibriaResonant drive in tokamaks is routinely quantified using a variety of different metrics that target different aspects of a resonant response to an external perturbation. Two of the most direct…Matthew Pharr, Nikolas Logan, Carlos Paz-Soldan et al.·Mar 18, 2026SaveLearn
STARLite: A stellarator designed to experimentally validate non-resonant divertorsThe non-resonant divertor (NRD) offers a promising exhaust solution for stellarators, combining topological simplicity with resilience to magnetic field perturbations. To experimentally validate the…Georg Friedrich Harrer, Andrew Giuliani, Misha Padidar et al.·Mar 18, 2026SaveLearn
A Deterministic Ionization Algorithm for the OSIRIS Particle-in-Cell FrameworkIonization is critical in the formation and evolution of plasma dynamics; collisional ionization, in particular, is an often overlooked source of electrons when dealing with laser-plasma…Stephen DiIorio, Ricardo Fonseca, Frank Tsung et al.·Mar 18, 2026SaveLearn
Dielectric response and structural properties of finite-temperature electron liquidsThe dielectric response and structural properties of finite-temperature electron liquids are central to accurately describing the physical behavior of electronic systems. This study presents a robust…Chengliang Lin, Yong Hou, Jianmin Yuan et al.·Mar 18, 2026SaveLearn
DustNET: enabling machine learning and AI models of dusty plasmasDusty plasmas are ubiquitous throughout the universe, spanning laboratory and industrial plasmas, fusion devices, planetary environments, cometary comae, and interstellar media. Despite decades of…Zhehui Wang, Justin C. Burton, Niklas Dormagen et al.·Mar 18, 2026SaveLearn
Low-dimensional geometry learning for turbulence prediction in optimized stellaratorsThe optimized stellarator is an attractive concept for which the averaged particle radial drift is zero, and the single particle loss can be significantly reduced. But for the reactor design, global…Xishuo Wei, Handi Huang, Haotian Chen et al.·Mar 18, 2026SaveLearn
Pair-loaded electron-only magnetic reconnection using laser-driven capacitor coilsWe propose and simulate a laboratory platform to study the effects of positrons in magnetic reconnection using laser-driven capacitor coils. Using particle-in-cell simulations, we show that…Brandon K. Russell, Qian Qian, Rebecca Fitzgarrald et al.·Mar 17, 2026SaveLearn
Accelerating the Particle-In-Cell code ECsim with OpenACCThe Particle-In-Cell (PIC) method is a computational technique widely used in plasma physics to model plasmas at the kinetic level. In this work, we present our effort to prepare the semi-implicit…Elisabetta Boella, Nitin Shukla, Filippo Spiga et al.·Mar 17, 2026SaveLearn
Gridless Quasistatic Model for Efficient Simulation of Plasma-based AcceleratorsThe accurate modeling of plasma-based accelerators relies on costly numerical simulations due to the complexity of laser-plasma and beam-plasma interactions. Several strategies can highly reduce the…Ángel Ferran Pousa, Wilbert M. den Hertog, Severin Diederichs et al.·Mar 17, 2026SaveLearn
Investigation of Laser Plasma Instabilities driven by Coupled High-Power Laser Beams in Magnetized Underdense PlasmasStimulated Brillouin and Raman scattering (SBS and SRS) are instabilities that affect the propagation of high-power lasers in plasmas. The latter is further affected by Cross-Talk (CT) effects when…C. L. C. Lacoste, D. Oportus, J. Béard et al.·Mar 16, 2026SaveLearn
Drift-reduced fluid modeling of rapidly rotating plasmasIn this paper, we investigate the effects of rapid rotation (Mach number M ~ 1) on plasma fluid stability, focusing specifically on Kelvin-Helmholtz (KH) and interchange instabilities - including…Edward A. Tocco, Benjamin D. Dudson, Ian G. Abel et al.·Mar 16, 2026SaveLearn
A proof-of-concept for automated AI-driven stellarator coil optimization with in-the-loop finite-element calculationsFinding feasible coils for stellarator fusion devices is a critical challenge of realizing this concept for future power plants. Years of research work can be put into the design of even a single…Alan A. Kaptanoglu, Pedro F. Gil·Mar 16, 2026SaveLearn
The properties of plasma sheath containing the primary electrons with a Cairns-distributionWe study the properties of plasma sheath containing the cold positive ions, the secondary electrons, and the primary electrons with a Cairns-distribution (a non-thermal velocity-distribution). We…Yida Zhang, Jiulin Du·Mar 16, 2026SaveLearn