Scalable Chrysopoeia via (n, 2n) Reactions Driven by Deuterium-Tritium Fusion NeutronsA scalable approach for chrysopoeia - the transmutation of base metals into gold - has been pursued for millennia. While there have been small-scale demonstrations in particle accelerators and…Adam Rutkowski, Jake Harter, Jason Parisi·Jul 17, 2025SaveLearn
Early Prediction of Current Quench Events in the ADITYA Tokamak using Transformer based Data Driven ModelsDisruptions in tokamak plasmas, marked by sudden thermal and current quenches, pose serious threats to plasma-facing components and system integrity. Accurate early prediction, with sufficient lead…Jyoti Agarwal, Bhaskar Chaudhury, Jaykumar Navadiya et al.·Jul 17, 2025SaveLearn
Introduction to Stability and Turbulent Transport in Magnetic Confinement Fusion PlasmasThis tutorial provides an accessible introduction to the principles of stability and turbulent transport in magnetic confinement fusion plasmas. Key concepts, models, and practical implications are…J. F. Parisi·Jul 17, 2025SaveLearn
Efficient Computation of Stellarator Coils with an Augmented Lagrangian Optimization MethodFinding feasible coils for stellarator fusion devices is a critical challenge of realizing this concept for future power plants. Current design efforts struggle to navigate the highly nonconvex…Pedro F. Gil, Weiping Li, Julianne Stratton et al.·Jul 16, 2025SaveLearn
Ultra-strong Quantum Squeezing Mediated by Plasma WavesQuantum squeezed states enable precision measurements beyond the standard quantum limit, but conventional solid-state media fundamentally limit pump intensities to the ionization threshold. We…Kenan Qu, Nathaniel J. Fisch·Jul 16, 2025SaveLearn
Gauss' Separation Algorithm for the Magnetic Field Decomposition of the SPARC PRD simulationA magnetic separation algorithm originally introduced by Gauss has been revisited in recent years with application to magnetically-confined fusion experiments. The main result offered by Gauss'…Gregorio L Trevisan, Ryan M Sweeney, Robert S Granetz·Jul 16, 2025SaveLearn
Scaling of thin wire cylindrical compression after 100 fs Joule surface heating with material, diameter and laser energyWe present the first systematic experimental validation of return-current-driven implosion scaling in micrometer-sized wires irradiated by femtosecond laser pulses. Employing XFEL-based imaging with…L. Yang, M. -L. Herbert, C. Bähtz et al.·Jul 16, 2025SaveLearn
Analytic neutron wall loading from spin-polarized fusion in axisymmetric geometriesSpin-polarized nuclei can be used to enhance the fusion reaction rate, preferentially direct neutrons and alpha particles, or do some combination of these. In this paper we present formulas for the…Jacob A. Schwartz·Jul 15, 2025SaveLearn
Ultrafast ps--TALIF and streak camera diagnostics of atomic hydrogen in a helium microplasma jetPicosecond two-photon absorption laser induced fluorescence (ps--TALIF) is combined with a streak camera (1 ps highest temporal resolution) to probe the effective lifetime (τeffH(n=3))…Dimitrios Stefas, Yanis Agha, Laurent Invernizzi et al.·Jul 15, 2025SaveLearn
Subharmonic Shapiro steps in depinning dynamics of a 2D solid dusty plasma modulated by 1D nonlinear deformed periodic substratesLangevin dynamical simulations are performed to investigate the depinning dynamics of a two-dimensional solid dusty plasma, which is modulated by one-dimensional nonlinear deformed periodic…Zhaoye Wang, Nichen Yu, Ao xu et al.·Jul 15, 2025SaveLearn
Counter-Streaming Beams in Collisionless Pair Plasma Instability Systems I: Evolution and Parameterization of the Weibel InstabilityEnergetic astrophysical phenomena, such as γ-ray bursts and supernova explosion-driven shocks in collisionless plasmas, involve various plasma kinetic instabilities, such as the Weibel instability.…Michael C. Sitarz·Jul 15, 2025SaveLearn
Modeling the Role of Secondary Electron Emission in Direct Current Magnetron Sputtering using Explicit Energy-Conserving Particle-in-Cell MethodsWe present results from a fully kinetic particle-in-cell (PIC) simulation of direct current magnetron sputtering (dcMS) in a 2D cylindrically symmetric geometry. The particle-in-cell model assumes an…Daniel Main, Thomas G. Jenkins, Joseph G. Theis et al.·Jul 14, 2025SaveLearn
Scaling Relations, Morphological Stability, and Asymptotic Freedom of Plasma-Surface Deposition DynamicsConnecting plasma processing parameters to the resultant film microstructure remains a fundamental challenge in materials synthesis, one that has largely confined process design to empirical…Joel Saucedo, Uday Lamba, Hasitha Mahabaduge·Jul 14, 2025SaveLearn
The role of nonlinear absorption of an ECR beam for fusion plasma pre-ionizationThis study investigates the nonlinear interactions between electrons and electron-cyclotron resonance (ECR) heating beams in magnetized, low-temperature fusion plasmas, focusing on enhancing…Tulchhi Ram, T. Wauters, P. C. de Vries et al.·Jul 14, 2025SaveLearn
Sensitivity Analysis of Transport and Radiation in NeuralPlasmaODE for ITER Burning PlasmasUnderstanding how key physical parameters influence burning plasma behavior is critical for the reliable operation of ITER. In this work, we extend NeuralPlasmaODE, a multi-region, multi-timescale…Zefang Liu, Weston M. Stacey·Jul 13, 2025SaveLearn
Optimizing External Sources for Controlled Burning Plasma in Tokamaks with Neural Ordinary Differential EquationsAchieving controlled burning plasma in tokamaks requires precise regulation of external particle and energy sources to reach and maintain target core densities and temperatures. This work presents an…Zefang Liu, Weston M. Stacey·Jul 12, 2025SaveLearn
Anisotropic anomalous diffusion and nonequilibrium in microgravity dusty plasma. Part Two: Spectral AnalysisAnisotropic anomalous dust diffusion in microgravity dusty plasma is investigated using experimental data from the Plasmakristall-4 (PK-4) facility on board the International Space Station. The PK-4…Bradley R. Andrew, Luca Guazzotto, Lorin S. Matthews et al.·Jul 11, 2025SaveLearn
Edge Radial Electric Field in Positive and Negative Triangularity Plasmas in the TCV TokamakWe present the first edge Er measurements in negative triangularity (NT) TCV plasmas. The Doppler backscattering measurements of v ≈ Er/B reveal a significant impact of…S. Rienäcker, P. Hennequin, L. Vermare et al.·Jul 11, 2025SaveLearn
Volume-Preserving Deformation of Honeycomb Wire Media Enables Broad Plasma Frequency TunabilityWe demonstrate significant tunability of the plasma frequency in a wire medium by mechanically deforming a lattice of parallel metallic wires arranged at the nodes of a honeycomb structure. Numerical…Denis Sakhno, Jim A. Enriquez, Pavel A. Belov·Jul 10, 2025SaveLearn
Vidyut3d: a GPU accelerated fluid solver for non-equilibrium plasmas on adaptive gridsWe present the numerical methods, programming methodology, verification, and performance assessment of a non-equilibrium plasma fluid solver that can effectively utilize current and upcoming central…Hariswaran Sitaraman, Nicholas Deak, Taaresh Taneja·Jul 10, 2025SaveLearn
Phase-Space Synchronization Driven by Moon-Magnetosphere Coupling in Gas GiantsWe present a new theoretical framework to describe the rapid and spatially localized loss of energetic particles in planetary radiation belts, focusing on interactions between gas giant…Adnane Osmane, Elias Roussos, Peter Kollmann·Jul 10, 2025SaveLearn
Universal energy cascade and relaxation in three-dimensional inertial electron magnetohydrodynamic turbulenceElectron magnetohydrodynamics (EMHD) provides a realistic model for electron-scale heating and acceleration in weakly collisional space plasmas. A divergence-free Banerjee-Galtier type (Banerjee and…Supratik Banerjee, Arijit Halder, Amita Das·Jul 10, 2025SaveLearn
Periodic Korteweg-de Vries soliton potentials generate quasisymmetric magnetic field strength in a finite plasma-beta equilibriumQuasisymmetry (QS) is a hidden symmetry of the magnetic field strength, B, that enables effective confinement of charged particles in a fully three-dimensional (3D) toroidal plasma equilibrium. Such…W. Sengupta, R. Madan, S. Buller et al.·Jul 9, 2025SaveLearn
Simulation of surface x-ray emission from the ASTERICS ECR ion sourceThe bremsstrahlung x-ray emission induced by the impact of plasma electrons de-confined on the chamber wall of the ASTERICS electron cyclotron resonance ion source is investigated through a suite of…Thomas Thuillier, Andrea Cernuschi, Benjamin Cheymol·Jul 8, 2025SaveLearn
Influence of Conical Wire Array Geometry on Flow and Temperature Profiles Measured via Thomson Scattering and Optical TechniquesConical wire arrays with different opening angles are used as load of a 400kA, 1kA/ns generator. The differences in opening angle allow the study of the influence of the array geometry on the jet…Luisa Izquierdo, Felipe Veloso, Miguel Escalona et al.·Jul 8, 2025SaveLearn