SPECTRE: A robust solver for 3D equilibria with arbitrary topologyWe present SPECTRE, a new equilibrium code based on the Multi-Region relaxed MHD model for robustly calculating 3D equilibria with general magnetic topology, allowing for flux surfaces, magnetic…E. Balkovic, J. Loizu, E. Lanti et al.·Jul 29, 2026SaveLearn
Divertor topology and vacuum vessel design for stellaratorsWe present stellarator optimization algorithms for designing the edge magnetic structure in vacuum fields, together with the vacuum vessel. First, we introduce a numerical method that robustly…Andrew Giuliani, Raffael Wendlinger, Misha Padidar et al.·Jul 29, 2026SaveLearn
Rotating mirror with all-directional pinch compressions - The beauty and simplicity in controlled nuclear fusionControlling nuclear fusion is so challenging that for decades, people have been asking: Are we closer to infinite clean energy? Upon the philosophy of beauty and simplicity, the current work points…Linjin Zheng·Jul 29, 2026SaveLearn
Measurement of multiple mechanical properties from multi-dimensional signals in nanosecond laser ablation via PINNAccurate evaluation of mechanical properties in steels under ageing or service conditions remains a major challenge. We propose a thermo-mechanical coupling framework for nanosecond laser ablation…Ying Zhou, Jian Wu, Ziyuan Song et al.·Jul 29, 2026SaveLearn
Low-Temperature Co-Fired Ceramics for a Sustainable Planar Plasma Jet with Homogeneous Plasma in Large Treatment Areas for Biomedical ApplicationsThis study presents a portable planar argon-based plasma jet designed for large-area biomedical applications, with an emphasis on uniform discharge, stability, and safety. The device incorporates…Ivan Gomez Ho, Hua-Lin Chen, Cheng-Han Tsai et al.·Jul 29, 2026SaveLearn
One dimensional high-order moment models with realistic collisions for nonequilibrium ion transport in weakly ionized plasmasIon-neutral collisions are fundamental in the transport of partially ionized plasmas. When collisional scales are comparable to the system scales or the electric field is strong, nonequilibrium…Anatole Berger, Alejandro Alvarez Laguna·Jul 29, 2026SaveLearn
Revisiting Electron Heating in Capacitively Coupled Plasma (CCP) Discharges: A Nonlinear Dynamics PerspectiveDespite decades of research, the electron heating mechanisms in capacitively coupled plasma (CCP) discharges over a wide range of operating conditions is not fully understood. Although stochastic…Rishabh Singh, Sarveshwar Sharma, Bhooshan Paradkar et al.·Jul 29, 2026SaveLearn
Kinetic Optimization of Magnetic Mirror Confinement: Beyond Classical Loss-Cone TheoryMagnetic mirrors are among the conceptually simplest plasma confinement configurations and remain promising candidates for thermonuclear fusion. Their design requires shaping an externally applied…Lukas Einkemmer, Martin Guerra, Qin Li et al.·Jul 29, 2026SaveLearn
Observation of poloidal magnetic flux emission from a low-pressure spark: validation of the hypothesis of constrained plasma dynamics?This paper revisits an earlier discussion of the hypothesis of constrained dynamics [IEEE Trans. Plasma Sci. 41, 2013 pp. 437-446] with better experiments and insights. This hypothesis pertains to…A. B. Blagoev, V. Yordanov, S. K. H. Auluck·Jul 29, 2026SaveLearn
Phase control of multi-photon electron-positron pair creation from vacuumWe investigate the creation of electron-positron pairs by two spatiotemporally inhomogeneous electric fields with a relative phase, employing computational quantum field theory. We find that, when…C. K. Li, X. X. Zhou, B. An et al.·Jul 29, 2026SaveLearn
The toroidal flux and separatrix effects in tokamaksAn implication of Faraday's Law is thst the rate of change of the poloidal flux relative to the toroidal flux associated with a magnetic surface is given by the loop voltage. The emphasis in the…Allen H Boozer·Jul 29, 2026SaveLearn
Central Equations and Band Structures of Linear Magnetohydrodynamic Waves in a Magneto-LatticeWe investigate the band structures and propagation properties of linear ideal magnetohydrodynamic (MHD) waves in a plasma with a spatially periodic background magnetic field (a magneto-lattice ). We…Shiyu Sun, Peifeng Fan, Yulei Wang et al.·Jul 29, 2026SaveLearn
Cross-scale Interaction between Microturbulence and Fishbone in Fusion PlasmasGlobal gyrokinetic simulations are performed for the first time to investigate cross-scale interactions between electromagnetic ion temperature gradient (ITG) turbulence and fishbone instability in…Yuehao Ma, Bin Zhang, Pengfei Liu et al.·Jul 29, 2026SaveLearn
Electromagnetic turbulence in EAST plasmas with internal transport barrierIn this study, global nonlinear electromagnetic gyrokinetic simulations are conducted to investigate turbulence in the Internal transport barrier (ITB) region of the EAST tokamak discharge with…Yuehao Ma, Pengfei Liu, Jian Bao et al.·Jul 29, 2026SaveLearn
Quasi-static transverse electric field driven electron acceleration in relativistic laser matter interactionAchieving significant energy gain in laser-driven relativistic electron beams remains challenging due to dephasing between the accelerating laser field and the electrons. We show that transverse…Ameya Parab, Bhooshan Paradkar, Aparajit C. et al.·Jul 28, 2026SaveLearn
Variational approach to Yukawa fluids. II. Instantaneous elastic moduli and sound velocitiesThe variational approach based on the Bogoliubov inequality using the fluid of hard spheres as a reference system is implemented to evaluate instantaneous shear, bulk and longitudinal elastic moduli,…S. A. Khrapak, A. G. Khrapak·Jul 28, 2026SaveLearn
Variational approach to Yukawa fluids. I. ThermodynamicsThe excess energy, entropy, and pressure of a strongly coupled Yukawa fluid are calculated from the variational approach using the fluid of hard spheres as a reference system. As in the case of the…S. A. Khrapak, A. G. Khrapak·Jul 28, 2026SaveLearn
Laser power transmission in space: Plasma-based power cellLaser power beaming offers a route to space energy delivery, but semiconductor laser photovoltaic receivers face thermalization, joule heat, and radiative recombination waste, etc. Here we propose a…Li Lin, Michael Keidar·Jul 28, 2026SaveLearn
HIR: A collisional-radiative model for hydrogen ionization in plasma with anisotropic fast ionsThe paper presents the HIR (Hydrogen Ionization Rates) software package developed for calculating the level populations of atomic hydrogen and the dynamics of its ionization in hot plasma, including…Sergey Polosatkin·Jul 28, 2026SaveLearn
Reconciling chemical models of X-ray Thomson Scattering with the Bethe f-sum ruleX-ray Thomson scattering (XRTS) is a key diagnostic for high-energy-density plasmas, which can exhibit significant quantum effects even at elevated temperatures. XRTS experiments are commonly…Maximilian P. Böhme, Paul Hamann, Veronika A. Kruse et al.·Jul 28, 2026SaveLearn
Polaris: a flexible stellarator demonstration experiment with simple modular coilsWe present the design, construction, and first plasma experiments of Polaris, a new small-scale stellarator experiment (major radius R ~ 0.4 m) located at the Swiss Plasma Center. Polaris consists of…Simon P. H. Vincent, Joaquim Loizu, Matthieu Toussaint et al.·Jul 28, 2026SaveLearn
Enhanced alpha channeling with spin-polarized fuelThe nuclear spin state of deuterium-tritium (D-T) fuel sets both the D-T fusion cross section and the emission direction of the fusion-born alphas and neutrons. We show two ways that spin-polarized…J. F. Parisi, A. Diallo, J. W. S. Cook·Jul 28, 2026SaveLearn
Statistical structure of canonical kinetic equilibrium with sheared flowIn isothermal kinetic equilibrium of a plasma with sheared flow, the electrostatic potential is the cumulant generating function of the velocity distribution, encoding all non-Maxwellian statistics.…Daniel W Crews·Jul 28, 2026SaveLearn
Spacecraft heat shield study in the DIII-D tokamakWe report a new experimental platform developed at the DIII-D National Fusion Facility to investigate carbon ablation and spallation under extreme heat fluxes relevant to fusion plasma-facing…Dmitri M. Orlov, Evdokiya G. Kostadinova, Igor Bykov et al.·Jul 28, 2026SaveLearn
Predictive capabilities of the integrated modeling TRANSP code for tokamak plasmasThis paper expands on the TRANSP description given in [Computer Physics Communications 312 (2025) 109611] by describing recent progress in TRANSP's predictive functionality and emphasizing…A. Y. Pankin, J. Breslau, M. V. Gorelenkova et al.·Jul 28, 2026SaveLearn