High‐power laser systems

J Zuo, X Lin - Laser & Photonics Reviews, 2022 - Wiley Online Library
High‐power laser sources are widely used in industrial precision processing and act as a
new platform for strong‐field physics research using peak power over petawatt. This review …

[HTML][HTML] From density response to energy functionals and back: An ab initio perspective on matter under extreme conditions

Z Moldabekov, J Vorberger, T Dornheim - Progress in Particle and Nuclear …, 2024 - Elsevier
Energy functionals serve as the basis for different models and methods in quantum and
classical many-particle physics. Arguably, one of the most successful and widely used …

[HTML][HTML] Electronic density response of warm dense matter

T Dornheim, ZA Moldabekov, K Ramakrishna… - Physics of …, 2023 - pubs.aip.org
Matter at extreme temperatures and pressures—commonly known as warm dense matter
(WDM)—is ubiquitous throughout our Universe and occurs in astrophysical objects such as …

Diamond formation kinetics in shock-compressed C─ H─ O samples recorded by small-angle x-ray scattering and x-ray diffraction

Z He, M Rödel, J Lütgert, A Bergermann… - Science …, 2022 - science.org
Extreme conditions inside ice giants such as Uranus and Neptune can result in peculiar
chemistry and structural transitions, eg, the precipitation of diamonds or superionic water, as …

A diamond-bearing core-mantle boundary on Mercury

Y Xu, Y Lin, P Wu, O Namur, Y Zhang… - Nature …, 2024 - nature.com
Abundant carbon was identified on Mercury by MESSENGER, which is interpreted as the
remnant of a primordial graphite flotation crust, suggesting that the magma ocean and core …

Linear-response time-dependent density functional theory approach to warm dense matter with adiabatic exchange-correlation kernels

ZA Moldabekov, M Pavanello, MP Böhme… - Physical Review …, 2023 - APS
We present a methodology for the linear-response time-dependent density functional theory
(LR-TDDFT) calculation of the dynamic density response function of warm dense matter in …

[HTML][HTML] Imaging velocity interferometer system for any reflector (VISAR) diagnostics for high energy density sciences

PM Celliers, M Millot - Review of Scientific Instruments, 2023 - pubs.aip.org
Two variants of optical imaging velocimetry, specifically the one-dimensional streaked line-
imaging and the two-dimensional time-resolved area-imaging versions of the Velocity …

Machine learning interatomic potential for simulations of carbon at extreme conditions

JT Willman, K Nguyen-Cong, AS Williams… - Physical Review B, 2022 - APS
A spectral neighbor analysis (SNAP) machine learning interatomic potential (MLIP) has
been developed for simulations of carbon at extreme pressures (up to 5 TPa) and …

Electronic pair alignment and roton feature in the warm dense electron gas

T Dornheim, Z Moldabekov, J Vorberger… - Communications …, 2022 - nature.com
The study of matter under extreme densities and temperatures as they occur, for example, in
astrophysical objects and nuclear fusion applications has emerged as one of the most active …

[HTML][HTML] Ab initio path integral Monte Carlo simulations of warm dense two-component systems without fixed nodes: Structural properties

T Dornheim, S Schwalbe, MP Böhme… - The Journal of …, 2024 - pubs.aip.org
We present extensive new ab initio path integral Monte Carlo (PIMC) results for a variety of
structural properties of warm dense hydrogen and beryllium. To deal with the fermion sign …