Photon Phase-Space Dynamics in a Plasma Wakefield AcceleratorFrequency up-shifting of laser light in a beam-driven plasma wakefield has the potential to provide high-intensity sources of short wavelength radiation. Simulations have demonstrated that a laser…Neil Beri, John Palastro, Qian Qian et al.·Dec 9, 2025SaveLearn
Ion-beam driven dust-cyclotron and dust-lower-hybrid instabilities in nonthermal dusty magnetoplasmas with dust-charge fluctuationWe reveal a new dispersive dust-lower-hybrid (DLH)-like mode that can couple to modified dust-cyclotron (DC) waves in a dusty magnetoplasma by the influence of a streaming ion beam. Previous studies…A. P. Misra, N. P. Acharya, S. Basnet et al.·Dec 9, 2025SaveLearn
Two-dimensional PIC simulation of collective Thomson scattering in a beam-plasma systemCollective Thomson scattering (CTS) in a beam-plasma system is reproduced by using 2D PIC simulations and the characteristics of the scattered wave spectrum are examined. By formulating the geometric…Yuma Sato, Shuichi Matsukiyo·Dec 9, 2025SaveLearn
Overview of the Helios Design: A Practical Planar Coil Stellarator Fusion Power PlantThea Energy, Inc. has developed the preconceptual design for "Helios," a fusion power plant based on the planar coil stellarator architecture. In this overview paper, the design is summarized and the…C. P. S. Swanson, S. T. A. Kumar, D. W. Dudt et al.·Dec 8, 2025SaveLearn
Collisional passing alpha energy transport in nearly quasisymmetric stellaratorsRecent advances in stellarator optimization have found nearly precise quasisymmetric configurations. These are expected to reduce the non-turbulent background plasma transport to acceptable…Miguel Calvo-Carrera, Peter J. Catto·Dec 8, 2025SaveLearn
Efficient Simulation of Electron-Positron Pair Production in Foam Targets in the low -RegimeThe generation of electron-positron pairs using direct laser-accelerated electrons and a cone-shaped reflector target for the generation of strong electromagnetic fields is investigated using…Oliver Mathiak, Lars Reichwein, Alexander Pukhov·Dec 8, 2025SaveLearn
Modified vacuum polarization in the presence of a plasmaWe study vacuum polarization due to strong fields, in the presence of an electron-positron plasma. For this purpose, we expand quantum kinetic equations using weak fields and slow temporal scales as…Sebastian Lundström, Philip Semrén, Haidar Al-Naseri et al.·Dec 8, 2025SaveLearn
BO-PBK: A comprehensive solver for dispersion relations of obliquely propagating waves in magnetized multi-species plasma with anisotropic loss-cone drift product-bi-kappa distributionWe present BO-PBK (BO-Product-Bi-Kappa), a new solver for kinetic dispersion relations of obliquely propagating waves in magnetized plasmas with complex velocity distributions. It reformulates the…Wei Bai, Huasheng Xie·Dec 7, 2025SaveLearn
FGE: A Fast Free-Boundary Grad-Shafranov Evolutive SolverAccurate and rapid simulation of the free boundary tokamak plasma equilibrium evolution is essential for modern plasma control, stability analysis, and scenario development. This paper presents the…Cosmas Heiß, Antoine Merle, Francesco Carpanese et al.·Dec 7, 2025SaveLearn
Detailed study of non-equilibrium characteristics of quasi-neutral TNSA plasmasIn an experiment performed in November 2022 at the petawatt (PW) laser facility at Vega III located in Salamanca-Spain, we have studied the successful production of several radioisotopes using…Zhe Zhu, A. Bonasera, D. Batani et al.·Dec 6, 2025SaveLearn
3D PIC Simulations on Hall Thruster Electron Drift Instability: Influence of Magnetic Field on Electron TransportThree-dimensional particle-in-cell simulations are employed to investigate electron transport characteristics in Hall thrusters, with particular focus on how magnetic field configuration affects the…Yinjian Zhao, Kunpeng Zhong·Dec 6, 2025SaveLearn
A Method for Solving Linearized Vlasov Equation for Low-Frequency Long-Wavelength Electromagnetic Modes in Inhomogeneous PlasmasA method for solving linearized Vlasov equation for low-frequency, long-wavelength electromagnetic modes in magnetically confined inhomogeneous plasmas is described. The relevant non-local solution…Bamandas Basu·Dec 5, 2025SaveLearn
Thermodynamics of Shear Equilibration During Magnetic Reconnection Onset in Mixed-Equilibrium Current SheetsMagnetic shear across the polarity inversion line (PIL) plays an important role in the explosive nature of reconnection onset and in the equilibration of current sheets, acting as a source of free…Dominic Payne, Marc Swisdak, James Drake et al.·Dec 5, 2025SaveLearn
Transverse envelope dynamics of beam slices in a uniform charged ellipsoidal model of the plasma bubble regimeWe consider a pair of driver/witness electron bunches propagating in an ionized gas background a configuration similar to the one produced in a capillary discharge where a plasma oscillation has been…Abdul Mannan, Alessio Del Dotto, Massimo Ferrario·Dec 5, 2025SaveLearn
A one-dimensional reduced plasma model for the electrical treeingPlasma models, consisting of advection-diffusion Partial Differential Equations coupled with chemical reactions, are widely adopted to describe corona, streamers and dielectric barrier discharges.…Beatrice Crippa, Anna Scotti, Andrea Villa·Dec 5, 2025SaveLearn
Modeling the effect of MHD activity on runaway electron generation during SPARC disruptionsMagnetohydrodynamic (MHD) instabilities and runaway electrons (REs) interact in several ways, making it important to self-consistently model these interactions for accurate predictions of RE…R Datta, C Clauser, N Ferraro et al.·Dec 5, 2025SaveLearn
Fast electrostatic microinstability evaluation in arbitrary toroidal magnetic geometry using a variational approachSmall-scale turbulence originating from microinstabilities limits the energy confinement time in magnetic confinement fusion. Here we develop a semi-analytical dispersion relation based on…M. C. L. Morren, P. Mulholland, J. H. E. Proll et al.·Dec 5, 2025SaveLearn
Comparison of filament properties in real-size GBS simulations and experiments of TCV-X21A direct quantitative comparison of Scrape-Off Layer (SOL) filament properties from fluid turbulence simulations using the GBS code and from experiments on the TCV tokamak is performed within the…Y. Wang, C. Wüthrich, C. Theiler et al.·Dec 5, 2025SaveLearn
Operator Formalism for Laser-Plasma Wakefield AccelerationIn this paper, we develop an operator-based framework for laser--plasma wakefield acceleration (LPWA) in capillary discharges, providing a compact and systematic description of the coupled dynamics…Mostafa Behtouei, Carlos Salgado Lopez, Giancarlo Gatti·Dec 4, 2025SaveLearn
Optimization of laser illumination configuration for directly driven inertial confinement fusionOptimum laser configurations are presented to achieve high illumination uniformity with directly driven inertial confinement fusion targets. Assuming axisymmetric absorption pattern of individual…Masakatsu Murakami, Daiki Nishi·Dec 4, 2025SaveLearn
Generation of ultrahigh field by micro-bubble implosionBreaking the 100-MeV barrier for proton acceleration will help elucidate fundamental physics and advance practical applications from inertial confinement fusion to tumour therapy. Herein we propose a…M. Murakami, A. Arefiev, M. A. Zosa·Dec 4, 2025SaveLearn
Ion-acoustic shock and solitary waves in magnetized plasma with Cairns-Gurevich distribution electronsThe propagation properties of ion-acoustic solitary and shock waves in the magnetized viscous plasma with nonthermal trapped electrons are investigated. The Cairns-Gurevich distribution as the…Rui Huo, Jiulin Du·Dec 4, 2025SaveLearn
Firehose instability in the space plasma with anisotropic Cairns-distribution electronsWe study the electron firehose mode propagating parallel to the ambient magnetic field in the space plasma with anisotropic Cairns-distribution electrons. The dispersion relation, the wave frequency…Rui Huo, Jiulin Du·Dec 4, 2025SaveLearn
Numerical model for pellet rocket acceleration in PELOTONA direct numerical simulation model for the rocket acceleration of pellets in thermonuclear fusion devices has been developed for PELOTON, a 3D Lagrangian particle pellet code [R. Samulyak et al,…J. Corbett, R. Samulyak, F. J. Artola et al.·Dec 4, 2025SaveLearn
Kinetic Alfv\'en waves in the temperature anisotropic space plasma with a kappa-Maxwellian distributionThe dispersion and damping rate of kinetic Alfv\'en waves are studied in temperature anisotropic space plasma with kappa-Maxwellian distribution. Employing a kinetic approach, the wave frequency and…Rui Huo, Jiulin Du, Ran Guo·Dec 4, 2025SaveLearn