The uniform electron gas at warm dense matter conditions

T Dornheim, S Groth, M Bonitz - Physics Reports, 2018 - Elsevier
Motivated by the current high interest in the field of warm dense matter research, in this
article we review the uniform electron gas (UEG) at finite temperature and over a broad …

[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] Ab initio simulation of warm dense matter

M Bonitz, T Dornheim, ZA Moldabekov, S Zhang… - Physics of …, 2020 - pubs.aip.org
Warm dense matter (WDM)—an exotic state of highly compressed matter—has attracted
increased interest in recent years in astrophysics and for dense laboratory systems. At the …

[HTML][HTML] Theoretical foundations of quantum hydrodynamics for plasmas

ZA Moldabekov, M Bonitz, TS Ramazanov - Physics of Plasmas, 2018 - pubs.aip.org
Quantum hydrodynamics (QHD) theory for finite temperature plasmas is consistently derived
in the framework of the local density approximation of the free energy with first order density …

[HTML][HTML] Quantum hydrodynamics for plasmas—Quo vadis?

M Bonitz, ZA Moldabekov, TS Ramazanov - Physics of Plasmas, 2019 - pubs.aip.org
Quantum plasmas are an important topic in astrophysics and high pressure laboratory
physics for more than 50 years. In addition, many condensed matter systems, including the …

[HTML][HTML] Ab initio density response and local field factor of warm dense hydrogen

T Dornheim, S Schwalbe, P Tolias… - Matter and Radiation …, 2024 - pubs.aip.org
We present quasi-exact ab initio path integral Monte Carlo (PIMC) results for the partial static
density responses and local field factors of hydrogen in the warm dense matter regime, from …

Analytical representation of the local field correction of the uniform electron gas within the effective static approximation

T Dornheim, ZA Moldabekov, P Tolias - Physical Review B, 2021 - APS
The description of electronic exchange-correlation effects is of paramount importance for
many applications in physics, chemistry, and beyond. In a recent paper, Dornheim et …

Density functional theory perspective on the nonlinear response of correlated electrons across temperature regimes

Z Moldabekov, J Vorberger… - Journal of Chemical …, 2022 - ACS Publications
We explore a new formalism to study the nonlinear electronic density response based on
Kohn–Sham density functional theory (KS-DFT) at partially and strongly quantum …

[HTML][HTML] The relevance of electronic perturbations in the warm dense electron gas

Z Moldabekov, T Dornheim, M Böhme… - The Journal of …, 2021 - pubs.aip.org
Warm dense matter (WDM) has emerged as one of the frontiers of both experimental physics
and theoretical physics and is a challenging traditional concept of plasma, atomic, and …

Accelerating equilibration in first-principles molecular dynamics with orbital-free density functional theory

L Fiedler, ZA Moldabekov, X Shao, K Jiang… - Physical Review …, 2022 - APS
We introduce a practical hybrid approach that combines orbital-free density functional theory
(DFT) with Kohn-Sham DFT for speeding up first-principles molecular dynamics simulations …