1.5k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- FZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicCZ90 papers
- Czech Academy of SciencesCZ51 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR26 papers
- Centre National de la Recherche ScientifiqueFR22 papers
- Max Planck Institute for Plasma PhysicsDE22 papers
- Charles UniversityCZ20 papers
- Culham Science CentreGB17 papers
- CEA CadaracheFR16 papers
- Czech Technical University in PragueCZ16 papers
- École Polytechnique Fédérale de LausanneCH15 papers
- P.N. Lebedev Physical Institute of the Russian Academy of SciencesRU13 papers
- Culham Centre for Fusion EnergyGB12 papers
180 papers
Ytterbium charge state and stabilization in the Ba(Ca)F host by electron paramagnetic resonance and infrared photoluminescence
David John, Shelja Sharma, Marius Stef +18
Lanthanide-doped fluorides are promising materials for advanced photonic and quantum applications due to their wide bandgap, low phonon energy, and chemical stability. In this work…
Post-Moore Technologies for Plasma Simulation: A Community Roadmap
Luca Pennati, Erik M. Åsgrim, Jeremy J. Williams +21
Plasma simulations are among the most computationally demanding scientific workloads, combining high-dimensional kinetic evolution, particle-mesh coupling, field solves, and data-i…
Phase Equilibria of the Al-Ti-Nb-Zr-Ta System
Jiří Kozlík, František Lukáč, Mariano Casas-Luna +8
Phase equilibria in the Al-Ti-Nb-Zr-Ta refractory complex concentrated alloy system were investigated using a high throughput experimental approach. A pseudo-ternary section of the…
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…
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…
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…
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…
Resistance of refractory high-entropy alloys to ultrafast laser irradiation
Nikita Medvedev
Response of refractory high-entropy alloys MoNbTaVW and HfNbTaTiZr to ultrafast laser radiation is modelled with the hybrid code XTANT-3, combining tight-binding molecular dynamics…
PLATOSpec: a precise spectrograph in support of space missions
P. Kabáth, M. Skarka, A. Hatzes +42
The upcoming space missions that will characterize exoplanets, such as PLATO and Ariel, will collect huge amounts of data that will need to be complemented with ground-based observ…
Radiation stability of nanocomposite scintillators
L. Prouzova Prochazkova, F. Hajek, M. Buryi +2
Radiation hardness of scintillating nanocomposites consisting of inorganic scintillating nanocrystalline powders dispersed in organic matrices was studied under electron, X-ray and…
Thermodynamic properties of CrMnFeCoNi high entropy alloy at elevated electronic temperatures
Nikita Medvedev
The Cantor alloy (equiatomic CrMnFeCoNi) is a high-entropy alloy with unique physical properties and radiation resistance. To model its response to intense laser pulses, the parame…
Magneto-elastic softening in cold-sprayed polycrystalline nickel studied by resonant ultrasound spectroscopy
Michaela Janovská, Petr Sedlák, Martin Ševčík +5
Cold-sprayed metallic deposits are additively manufactured materials containing high levels of compressive residual stress. Here we show that the presence and intensity of this str…
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…
The Darkfield Approach to Measuring Vacuum Birefringence and Light-by-Light Couplings -- A Proof-of-Principle Experiment
Michal Smíd, Pooyan Khademi, Carsten Bähtz +29
Vacuum fluctuations give rise to effective nonlinear interactions between electromagnetic fields. These generically modify the characteristics of light traversing a strong-field re…
First Steps Toward the Development of a Straight-Line Reference Alignment System for Future Accelerators at CERN Using Pseudo-Nondiffracting Layer Beams
Martin Dušek, Sebastian Figura, Jakub Michal Polak +6
This paper presents experimental results that allow for the performance evaluation of a straight-line reference alignment system based on pseudo-nondiffracting Layer beams. Sensors…
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…
Creating mixed-phase states in cadmium sulfide by swift heavy ion irradiation
Aldo Artímez Peña, Nikita Medvedev
CdS has broad applications in solar cells and radiation detectors. We study its response to irradiation with swift heavy ions and determine its damage thresholds. We apply a model…
Effects of non-equilibrium in ultrafast irradiation of matter
Nikita Medvedev
This proceeding discusses nonequilibrium effects in matter exposed to XUV/X-ray irradiation. When ultrashort, intense XUV/X-ray pulses interact with materials, they trigger a compl…
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.…
Ultrafast X-ray induced damage and nonthermal melting in cadmium sulfide
Nikita Medvedev, Aldo Artímez Peña
Cadmium sulfide is a valuable material for solar cells, photovoltaic, and radiation detectors. It is thus important to evaluate the material damage mechanisms and damage threshold…
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,…
Anomalous Spectroscopical Effects in an Antiferromagnetic Semiconductor
Michal Hubert, Tomáš Maleček, Kyo-Hoon Ahn +6
Following the recent observation of anomalous Hall effect in antiferromagnetic hexagonal MnTe thin films, related phenomena at finite frequencies have come into focus. Magnetic cir…
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…
Phase Composition of AlTiNbMoV, AlTiNbTaZr and AlTiNbMoCr Refractory Complex Concentrated Alloys: A Correlation of Predictions and Experiment
Jiří Kozlík, František Lukáč, Mariano Casas Luna +5
Designing complex concentrated alloys (CCA), also known as high entropy alloys (HEA), requires reliable and accessible thermodynamic predictions due to vast space of possible compo…