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20042026
most citedIon acceleration by superintense laser-plasma interaction

1.5k citations

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physics.plasm-ph2026

Evolution of SPI-induced disruptions in ASDEX Upgrade

P. Heinrich, G. Papp, S. Jachmich +23

Disruptions are a major concern for future fusion reactors based on the tokamak principle. To ensure machine protection, the thermal loads and vessel forces that arise during disru…

physics.plasm-ph2026★ 1 cited

Multi-GPU Hybrid Particle-in-Cell Monte Carlo Simulations for Exascale Computing Systems

Jeremy J. Williams, Jordy Trilaksono, Stefan Costea +13

Particle-in-Cell (PIC) Monte Carlo (MC) simulations are central to plasma physics but face increasing challenges on heterogeneous HPC systems due to excessive data movement, synchr…

physics.plasm-ph2026★ 1 cited

Variability of MHD Instabilities in Benign Termination of High-Current Runaway Electron Beams in the JET and DIII-D Tokamaks

C. F. B. Zimmermann, C. Paz-Soldan, G. Su +14

Benign termination, in which magnetohydrodynamic (MHD) instabilities deconfine runaway electrons (REs) following hydrogenic injections, is a promising strategy for mitigating dange…

physics.plasm-ph2025★ 2 cited

Integrating High Performance In-Memory Data Streaming and In-Situ Visualization in Hybrid MPI+OpenMP PIC MC Simulations Towards Exascale

Jeremy J. Williams, Stefan Costea, Daniel Medeiros +11

Efficient simulation of complex plasma dynamics is crucial for advancing fusion energy research. Particle-in-Cell (PIC) Monte Carlo (MC) simulations provide insights into plasma be…

physics.plasm-ph2025

The Atomic Beam Probe Synthetic Diagnostic and its Application in Fusion Plasmas

Mátyás Aradi, Dániel I. Réfy, Shimpei Futatani +6

The Atomic Beam Probe was installed on the COMPASS tokamak in Prague as an extension of the Beam Emission Spectroscopy. The construction and installation of the diagnostic were pre…

physics.plasm-ph2025★ 8 cited

Simulating X-point radiator turbulence

K. Eder, W. Zholobenko, A. Stegmeir +5

Coupling a high-performance burning plasma core to a detached boundary solution is critical for realizing magnetic confinement fusion power. Predictive simulations of the edge and…

physics.plasm-ph2025★ 3 cited

Betatron radiation emitted during the direct laser acceleration of electrons in underdense plasmas

Robert Babjak, Marija Vranic

Relativistic laser pulses can accelerate electrons up to energies of several GeV during the interaction with gaseous targets through the direct laser acceleration (DLA) mechanism.…

physics.plasm-ph2024★ 4 cited

An upper pressure limit for low-Z benign termination of runaway electron beams in TCV

M Hoppe, J Decker, U Sheikh +17

We present a model for the particle balance in the post-disruption runaway electron plateau phase of a tokamak discharge. The model is constructed with the help of, and applied to,…

physics.plasm-ph2024★ 4 cited

Laser initiated p-11B fusion reactions in petawatt high-repetition-rates laser facilities

M. Scisciò, G. Petringa, Z. Zhu +43

Driving the nuclear fusion reaction p+11B -> 3 alpha + 8.7 MeV in laboratory conditions, by interaction between high-power laser pulses and matter, has become a popular field of re…

physics.plasm-ph2024★ 12 cited

Radiated energy fraction of SPI-induced disruptions at ASDEX Upgrade

Paul Heinrich, Gergely Papp, Stefan Jachmich +15

Future large tokamaks will operate at high plasma currents and high stored plasma energies. To ensure machine protection in case of a sudden loss of plasma confinement (major disru…

physics.plasm-ph2024

Exploring the operational limits of poloidal and helical arrays of Mirnov coils in stellarators by means of a synthetic diagnostic

P. Pons-Villalonga, A. Cappa, J. Martínez-Fernández +3

A synthetic Mirnov coils diagnostic for non-axisymmetric magnetic configurations is presented and used to study the capabilities of the poloidal array of single-axis coils and the…

physics.plasm-ph2024★ 2 cited

Spatial characterization of debris ejection from the interaction of a tightly focused PW-laser pulse with metal targets

I. -M. Vladisavlevici, C. Vlachos, J. -L. Dubois +22

We present a novel scheme for rapid quantitative analysis of debris generated during experiments with solid targets following relativistic laser-plasma interaction at high-power la…

physics.plasm-ph2024★ 11 cited

Direct laser acceleration: A model for the electron injection from the walls of a cylindrical guiding structure

P. Valenta, D. Maslarova, R. Babjak +3

We use analytical methods and particle-in-cell simulation to investigate the origin of electrons accelerated by the process of direct laser acceleration driven by high-power laser…

physics.plasm-ph2024★ 8 cited

Heuristic predictions of RMP configurations for ELM suppression in ITER burning plasmas and their impact on divertor performance

H. Frerichs, J. van Blarcum, Y. Feng +7

A subspace of resonant magnetic perturbation (RMP) configurations for edge localized mode (ELM) suppression is predicted for H-mode burning plasmas at 15 MA current and 5.3 T magne…

physics.plasm-ph2023★ 15 cited

Divertor shaping with neutral baffling as a solution to the tokamak power exhaust challenge

K. Verhaegh, J. R. Harrison, D. Moulton +20

Exhausting power from the hot fusion core to the plasma-facing components is one of the biggest challenges in fusion energy. The MAST Upgrade tokamak uniquely integrates strong con…

physics.plasm-ph2023★ 17 cited

Magnetic flutter effect on validated edge turbulence simulations

Kaiyu Zhang, Wladimir Zholobenko, Andreas Stegmeir +2

Small magnetic fluctuations () are intrinsically present in a magnetic confinement plasma due to turbulent currents. While the perpendicular transport of part…

physics.plasm-ph2023★ 43 cited

Direct laser acceleration in underdense plasmas with multi-PW lasers: a path to high-charge, GeV-class electron bunches

R. Babjak, L. Willingale, A. Arefiev +1

The direct laser acceleration (DLA) of electrons in underdense plasmas can provide 100s of nC of electrons accelerated to near-GeV energies using currently available lasers. Here w…

physics.plasm-ph2023★ 24 cited

Revealing Non-equilibrium and Relaxation in Warm Dense Matter

Jan Vorberger, Thomas R. Preston, Nikita Medvedev +4

Experiments creating extreme states of matter almost invariably create non-equilibrium states. These are very interesting in their own right but need to be understood even if the u…

physics.plasm-ph2023★ 15 cited

Probing non-linear MHD stability of the EDA H-mode in ASDEX Upgrade

A Cathey, M Hoelzl, L Gil +11

Regimes of operation in tokamaks that are devoid of large ELMs have to be better understood to extrapolate their applicability to reactor-relevant devices. This paper describes non…

physics.plasm-ph2023★ 16 cited

MHD simulations of formation, sustainment and loss of Quiescent H-mode in the all-tungsten ASDEX Upgrade

Lorenz Meier, Matthias Hoelzl, Andres Cathey +10

Periodic edge localized modes (ELMs) are the non-linear consequences of pressure-gradient-driven ballooning modes and current-driven peeling modes becoming unstable in the pedestal…

physics.plasm-ph2022★ 15 cited

High-resolution electric field and temperature distributions in positive streamers

Siebe Dijcks, Lukáš Kusýn, Jesper Janssen +3

In this work, we aim to take a detailed experimental picture of the positive streamer. We apply optical emission spectroscopy to the first negative system (FNS, ${\rm B}^2Σ_{\rm u}…

physics.plasm-ph2022★ 5 cited

Physics-regularized neural network of the ideal-MHD solution operator in Wendelstein 7-X configurations

Andrea Merlo, Daniel Böckenhoff, Jonathan Schilling +3

The computational cost of constructing 3D magnetohydrodynamic (MHD) equilibria is one of the limiting factors in stellarator research and design. Although data-driven approaches ha…

physics.plasm-ph2022★ 11 cited

Experimental study of the interaction of two laser-driven radiative shocks at the PALS laser

R. L. Singh, C. Stehle, F. Suzuki-Vidal +14

Radiative shocks (RS) are complex phenomena which are ubiquitous in astrophysical environments. The study of such hypersonic shocks in the laboratory, under controlled conditions,…

physics.plasm-ph2022★ 21 cited

Constructing the space of quasisymmetric stellarators

Eduardo Rodriguez, Wrick Sengupta, Amitava Bhattacharjee

A simplified view of the space of optimised stellarators has the potential to guide and aid the design efforts of magnetic confinement configurations suitable for future fusion rea…