Ultra-high-gain water-window X-ray laser driven by plasma photocathode wakefield accelerationX-ray free-electron lasers are large and complex machines, limited by electron beam brightness. Here we show through start-to-end simulations how to realise compact, robust and tunable X-ray lasers…Lily H. A. Berman, David Campbell, Edgar Hartmann et al.·Jul 8, 2025SaveLearn
Analysis of RF Sheath-Driven Tungsten Erosion at RF Antenna in the WEST TokamakThis study applies the newly developed STRIPE (Simulated Transport of RF Impurity Production and Emission) framework to interpret tungsten (W) erosion at RF antenna structures in the WEST tokamak.…A. Kumar, W. Tierens, T. Younkin et al.·Jul 8, 2025SaveLearn
Quantum Inspiration, Classical Advantage: Dequantized particle algorithm for the nonlinear Vlasov-Poisson systemWe present a dequantization algorithm for the Vlasov--Poisson (VP) system, termed the dequantized particle algorithm, by systematically dequantizing the underlying many-body quantum theory. Starting…Hong Qin, Michael Q. May, Jacob Molina·Jul 7, 2025SaveLearn
Quantifying Resolution Limits in Pedestal Profile Measurements with Gaussian Process RegressionEdge transport barriers (ETBs) in magnetically confined fusion plasmas, commonly known as pedestals, play a crucial role in achieving high confinement plasmas. However, their defining characteristic,…Norman M. Cao, David R. Hatch, Craig Michoski et al.·Jul 7, 2025SaveLearn
Non-Perturbative Solutions to the Vlasov-Boltzmann Equation for Weakly Ionized PlasmasThe electron energy distribution function (EEDF) in low-temperature plasmas exhibits features not fully captured by classical collisional models, particularly across the transition from kinetic to…Joel Saucedo, Uday Lamba, Hasitha Mahabaduge·Jul 7, 2025SaveLearn
Statistical inference of anomalous thermal transport with uncertainty quantification for interpretive 2-D SOL modelsThe critical task of inferring anomalous cross-field transport coefficients is addressed in simulations of boundary plasmas with fluid models. A workflow for parameter inference in the UEDGE fluid…Yichen Fu, Ben Dudson, Xiao Chen et al.·Jul 7, 2025SaveLearn
Bootstrap Current Modeling in M3D-C1Bootstrap current plays a crucial role in the equilibrium of magnetically confined plasmas, particularly in quasisymmetric (QS) stellarators and in tokamaks, where it can represent bulk of the…Saurabh Saxena, Nathaniel Ferraro, Mike F. Martin et al.·Jul 7, 2025SaveLearn
Hexagonal boron nitride thin film synthesis with a ns-pulsed MHCD: in-situ plasma diagnostics and post-growth film characterizationHexagonal boron nitride (h-BN) is deposited on Si <100> wafer (≈20 cm2) via Plasma Enhanced Chemical Vapor Deposition (PECVD) using a ns-pulsed N2/Ar Micro Hollow Cathode Discharge (MHCD) as…Belkacem Menacer, Dimitrios Stefas, Nikolaos Chazapis et al.·Jul 7, 2025SaveLearn
Compressed Ultrafast Photography of Plasmas Formed from Laser Breakdown of Dense Gases Reveals that Internal Processes Dominate Evolution at Early TimesCompressed ultrafast photography (CUP) is applied to laser breakdown in argon and xenon under pressures up to 40atm to obtain 2D images of the plasma dynamics of single events with a spatial…Peng Wang, Yogeshwar Nath Mishra, Seth Pree et al.·Jul 7, 2025SaveLearn
Coherent synchrotron radiation by excitation of surface plasmon polariton on near-critical solid microtube surfaceCoherent synchrotron radiation (CSR) is crucial for the development of powerful ultrashort light sources. We present a mechanism for generating CSR in the form of generalised superradiance, based on…Bifeng Lei, Hao Zhang, Daniel Seipt et al.·Jul 6, 2025SaveLearn
Laser Amplification in e--μ--ion PlasmasWe investigate laser amplification in e--μ--ion plasmas, where negative muons partially replace electrons. Theoretical results reveal a hybrid plasma wave, called μ-wave that exhibits…Y. Chen, R. Ou, H. Wang et al.·Jul 6, 2025SaveLearn
PIC simulation of current-driven solar type III radiation and whistler waves in an electron core-strahl plasma: Relevance to PSP and other space observationsThe aim of the paper is to demonstrate that electron current oscillations may generate electromagnetic waves as type III radiation and whistler waves without the involvement of the classical plasma…Konrad Sauer, Kaijun Liu·Jul 6, 2025SaveLearn
Fluid approach of current-driven Langmuir waves associated with type III radiation and whistler waves: Relevance to PSP and other solar wind observationsA theoretical model on the basis of fluid-Maxwell equations for an electron-ion plasma is presented which describes the conversion of current-driven Langmuir waves into type III radiation whereby…Konrad Sauer, Kaijun Liu·Jul 6, 2025SaveLearn
From Filamentation to Stratification: Instability Dynamics in Scissors-Shaped Relativistic Beam-Plasma SystemCounter-streaming systems are a canonical model for beam-plasma instabilities, such as the filamentation instability, which is critical in high energy density physics. However, scenarios involving…Xu Liu, Dong Wu, Jie Zhang·Jul 6, 2025SaveLearn
Data-Driven Approach to Model the Influence of Magnetic Geometry in the Confinement of Fusion DevicesThe design of fusion energy devices involves a balance between competing performance metrics to achieve an energy gain. In stellarators, the geometry is very flexible and involves a large number of…R. Laia, R. Jorge, G. Abreu·Jul 4, 2025SaveLearn
Nonlinear Mixing of Waves in a Yukawa One Component PlasmaThe phenomenon of nonlinear wave mixing is investigated in a Yukawa one-component plasma using two-dimensional classical Langevin molecular dynamics simulations. The wave spectrum indicates that…Ajaz Mir, Farida Batool, Sanat Tiwari et al.·Jul 4, 2025SaveLearn
Numerical investigation of the effect of high voltage frequency on the density of RONS species in the air atmospheric pressure gas dischargeIn the last few decades, studies in various fields of plasma technology have expanded and its application in different processes has increased. Therefore, the achievement of a desirable and practical…Fariborz Momtazzadeh, Farshad Sohbatzadeh, Hamed Soltani Ahmadi et al.·Jul 4, 2025SaveLearn
Multi-messenger dynamic imaging of laser-driven shocks in water using a plasma wakefield acceleratorUnderstanding dense matter hydrodynamics is critical for predicting plasma behavior in environments relevant to laser-driven inertial confinement fusion. Traditional diagnostic sources face…Mario D. Balcazar, Hai-En Tsai, Tobias Ostermayr et al.·Jul 3, 2025SaveLearn
Heat-flux Instabilities of Regularized Kappa Distributed Strahl Electrons Resolved with ALPSThe fluid behavior of the solar wind is affected by the heat flux carried by the suprathermal electron populations, especially the electron strahl (or beam) that propagates along the magnetic field.…Dustin L. Schröder, Marian Lazar, Rodrigo A. López et al.·Jul 3, 2025SaveLearn
Boosting the NOx production in microwave air plasma: A synergy of chemistry and vibrational kineticsThis study employs a quasi-1.5D multi-temperature model to investigate the mechanisms governing NOx production and energy costs in microwave plasma reactors operating at 80 mbar, focusing on the…Qinghao Shen, Aleksandr Pikalev, Jonas Gans et al.·Jul 3, 2025SaveLearn
Electron heating in bulk overdense plasma aided by time dependent external magnetic fieldThis study investigates the localized electron heating in a bulk overdense plasma. The method relies on using a time dependent magnetic field. An initially high external magnetic field imposed on the…Rohit Juneja, Trishul Dhalia, Amita Das·Jul 3, 2025SaveLearn
Impact of super-Gaussian electron distributions on plasma K-shell emissionElectron distributions in laser-produced plasmas will be driven toward a super-Gaussian distribution due to inverse bremsstrahlung absorption [Langdon, Phys. Rev. Lett. 44, 575 (1980)]. Both…H. P. Le, E. V. Marley, H. A. Scott·Jul 3, 2025SaveLearn
Quadruple Beltrami field structures in electron-positron multi-ion plasmaA quadruple Beltrami (QB) equilibrium state for a four-component plasma that consists of inertial electrons, positrons, lighter positive (H+) ions and heavier negative ions (O-2) is derived and…Farhat Saleem, M. Iqbal, Usman Shazad·Jul 2, 2025SaveLearn
Ab initio density functional theory approach to warm dense hydrogen: from density response to electronic correlationsUnderstanding the properties of warm dense hydrogen is of key importance for the modeling of compact astrophysical objects and to understand and further optimize inertial confinement fusion (ICF)…Zhandos A. Moldabekov, Xuecheng Shao, Hannah M. Bellenbaum et al.·Jul 1, 2025SaveLearn
Bounce-Averaged Theory In Arbitrary Multi-Well Plasmas: Solution Domains and the Graph Structure of their ConnectionsBounce-averaged theories provide a framework for simulating relatively slow processes, such as collisional transport and quasilinear diffusion, by averaging these processes over the fast periodic…I. E. Ochs·Jul 1, 2025SaveLearn