A Runaway Electron Avalanche Surrogate for Partially Ionized PlasmasA physics-constrained deep learning surrogate that predicts the exponential ``avalanche'' growth rate of runaway electrons (REs) for a plasma containing partially ionized impurities is…Jonathan S. Arnaud, Xian-Zhu Tang, Christopher J. McDevitt·Apr 4, 2025SaveLearn
Magnetized ICF implosions: ignition at low laser energy using designs with more ablator mass remainingThis paper is the first work to redesign a spherical ICF implosion to best utilize the benefits of applying an external magnetic field. The sub-ignition experiment N170601 is taken as the baseline…C. A. Walsh, S. T. O'Neill, D. J. Strozzi et al.·Apr 4, 2025SaveLearn
Plasma-Treated Polymeric Biomaterials for Improved Surface and Cell AdhesionSurface modification of polymeric biomaterials using plasma has emerged as an effective strategy to optimize the cell-material interface without compromising the structural properties of the…Jairo Rondøn, Angel Gonzalez-Lizardo·Apr 4, 2025SaveLearn
Electron acoustic solitary wave in quantum plasmas with Kappa electronsElectron-acoustic solitary waves (EASWs) in quantum plasma comprising stationary ions, cold electrons, hot electrons, and kappa-distributed electrons have been investigated. The generalized…Aakanksha Singh, Punit Kumar·Apr 4, 2025SaveLearn
Electron Acoustic Solitary Structures in Nanoparticle Doped Semiconductor Quantum PlasmaThe study of electron acoustic waves (EAWs) and their associated solitary structure in semiconductor quantum plasma doped with nanoparticle clusters have been carried out. The system consists of cold…Abhishek Yadav, Punit Kumar·Apr 4, 2025SaveLearn
Effect of Spin Polarization on Lattice Vibrations and Electron Wave Interactions in Piezoelectric Semiconductor Quantum PlasmaThe effect of spin polarization, induced by the difference in concentration of spin-up and spin-down electrons produced under the influence of a magnetic field, on lattice ion vibrationselectron wave…Abhishek Yadav, Punit Kumar·Apr 4, 2025SaveLearn
Enhanced hot electron generation from liquid jets in moderate intensity laser-plasma interactionsWe report the generation of MeV temperature electrons using sub-terawatt laser systems with a liquid methanol jet as a target. Remarkably, even at laser intensities of 1016W/cm2, liquid cylindrical…Ratul Sabui, S. V. Rahul, Angana Mondal et al.·Apr 4, 2025SaveLearn
Strong gradient effects on neoclassical electron transport and the bootstrap currentStandard approaches to neoclassical theory do not extend into regions of strong gradients in tokamaks such as the pedestal and internal transport barriers. Here, we calculate the modifications to…Silvia Trinczek, Felix I. Parra, Peter J. Catto·Apr 3, 2025SaveLearn
Disentangling Core and Edge Mechanisms of the Density Limit in DIII-D Negative Triangularity PlasmasThe density limit is investigated in the DIII-D negative triangularity (NT) plasmas which lack a standard H-mode edge. We find the limit may not be a singular disruptive boundary but a multifaceted…R. Hong, P. H. Diamond, O. Sauter et al.·Apr 3, 2025SaveLearn
Investigation of the influence of electrostatic excitation on instabilities and electron transport in ExB plasma configurationsPartially magnetized plasmas in ExB configurations - where the electric and magnetic fields are mutually perpendicular - exhibit a cross-field transport behavior, which is widely believed to be…Maryam Reza, Farbod Faraji, Aaron Knoll et al.·Apr 3, 2025SaveLearn
Planar Laser-Induced Fluorescence system for Space and Phase-resolved Ion Velocity Distribution Function MeasurementsIn this work, we present a planar laser-induced fluorescence (PLIF) system for two-dimensional (2D) spatial and phase-resolved ion velocity distribution function (IVDF) measurements. A…Sung Hyun Son, Ivan Romadanov, Nirbhav Singh Chopra et al.·Apr 3, 2025SaveLearn
Quantum effects in piezoelectric semiconductor plasmas : Solitons and transmission feasibilityA study of the coupling between lattice ion vibrations and electron waves in a piezoelectric semiconductor quantum plasma is presented. The nonlinearities have been analyzed, and solitons have been…Abhishek Yadav, Punit Kumar·Apr 3, 2025SaveLearn
Effective field theory of Plasmas in Podolsky corrected Photonic fieldA theory for abelian plasma permeated by photons has been developed considering QED (quantum electrodynamics) generalized in Podolsky electrodynamics framework for consideration of higher order terms…Prabhat Singh, Punit Kumar·Apr 3, 2025SaveLearn
Electrical conductivities and low frequency opacities in the warm dense matter regimeIn this article, we examine different approaches for calculating low frequency opacities in the warm dense matter regime. The relevance of the average-atom approximation and of different models for…Mikael Tacu, Jean-Christophe Pain, Matthias Pautard et al.·Apr 3, 2025SaveLearn
An Improved Boris Algorithm for Charge Particle Orbit in Tokamak PlasmasAn improved Boris algorithm for simulating the motion of charged particles in electromagnetic fields has been developed. This enhancement addresses the issue of inaccurate fast-scale cyclotron phase…Jian Wang, Xiaodong Zhang, Lei Ye et al.·Apr 2, 2025SaveLearn
A geometric Particle-In-Cell discretization of the drift-kinetic and fully kinetic Vlasov-Maxwell equationsIn this paper, we extend the geometric Particle in Cell framework on dual grids to a gauge-free drift-kinetic Vlasov--Maxwell model and its coupling with the fully kinetic model. We derive a discrete…Guo Meng, Katharina Kormann, Emil Poulsen et al.·Apr 2, 2025SaveLearn
Twisted magnetar magnetospheres: a class of semi-analytical force-free non-rotating solutionsMagnetospheric twists, that is magnetospheres with a toroidal component, are under scrutiny due to the key role the twist is believed to play in the behaviour of neutron stars. Notably, its…Guillaume Voisin·Apr 1, 2025SaveLearn
Application of a spherically averaged pair potential in ab initio path integral Monte Carlo simulations of the warm dense electron gasSpherically averaged periodic pair potentials offer the enticing promise to provide accurate results at a drastically reduced computational cost compared to the traditional Ewald sum. In this work,…Tobias Dornheim, Thomas M. Chuna, Hannah M. Bellenbaum et al.·Apr 1, 2025SaveLearn
Simulations of edge and SOL turbulence in diverted negative and positive triangularity plasmasOptimizing the performance of magnetic confinement fusion devices is critical to achieving an attractive fusion reactor design. Negative triangularity (NT) scenarios have been shown to achieve…P. Ulbl, A. Stegmeir, D. Told et al.·Apr 1, 2025SaveLearn
Upper Limit of Fusion Reactivity in Laser-Driven p+11 B ReactionWe explore the averaged fusion reactivity of the p+11 B reaction in tabletop laser experiments using a plasma expansion model. We investigate the energy distribution of proton beams…Eunseok Hwang, Myung-Ki Cheoun, Dukjae Jang·Mar 31, 2025SaveLearn
Applying Machine Learning Methods to Laser Acceleration of Protons: Synthetic Data for Exploring the High Repetition Rate RegimeAdvances in ultra-intense laser technology have increased repetition rates and average power for chirped-pulse laser systems, which offers a promising solution for many applications including…John J. Felice, Ronak Desai, Nathaniel Tamminga et al.·Mar 31, 2025SaveLearn
Distinct parallel electrostatic collisionless shocks in hot-cold ablative mixing plasmasHot-cold ablative mixing plasmas are ubiquitous in astrophysical and laboratory systems, where a cold/dense plasma is roughly in pressure balance with a hot/dilute plasma. Examples include the plasma…Yanzeng Zhang, Xian-Zhu Tang·Mar 31, 2025SaveLearn
Investigation of Tearing Mode Stability Near Ideal Stability Boundaries Via Asymptotic Matching TechniquesA number of improvements to the TJ toroidal tearing mode code [Phys. Plasmas 31, 102507 (2024)] are documented. The TJ code is also successfully benchmarked against the STRIDE toroidal tearing mode…Richard Fitzpatrick·Mar 31, 2025SaveLearn
A high-fidelity surrogate model for the ion temperature gradient (ITG) instability using a small expensive simulation datasetOne of the main challenges in building high-fidelity surrogate models of tokamak turbulence is the substantial demand for high-quality data. Typically, producing high-quality data involves simulating…Chenguang Wan, Youngwoo Cho, Zhisong Qu et al.·Mar 31, 2025SaveLearn
Robust Extraction of Electron Energy Probability Function via Neural Network-Based SmoothingAccurate determination of the electron energy probability function (EEPF) is vital for understanding electron kinetics and energy distributions in plasmas. However, interpreting Langmuir probe…June Young Kim·Mar 31, 2025SaveLearn