[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 …

Application of Boltzmann kinetic equations to model X-ray-created warm dense matter and plasma

B Ziaja, JJ Bekx, M Masek… - … of the Royal …, 2023 - royalsocietypublishing.org
In this review, we describe the application of Boltzmann kinetic equations for modelling
warm dense matter and plasma formed after irradiation of solid materials with intense …

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 …

Analysing the dynamic structure of warm dense matter in the imaginary-time domain: Theoretical models and simulations

T Dornheim, J Vorberger… - … Transactions of the …, 2023 - royalsocietypublishing.org
Rigorous diagnostics of experiments with warm dense matter are notoriously difficult. A key
method is X-ray Thomson scattering (XRTS), but the interpretation of XRTS measurements is …

Ab initio static exchange–correlation kernel across Jacob's ladder without functional derivatives

Z Moldabekov, M Böhme, J Vorberger… - Journal of Chemical …, 2023 - ACS Publications
The electronic exchange─ correlation (XC) kernel constitutes a fundamental input for the
estimation of a gamut of properties such as the dielectric characteristics, the thermal and …

Non-empirical mixing coefficient for hybrid XC functionals from analysis of the XC kernel

ZA Moldabekov, M Lokamani, J Vorberger… - The Journal of …, 2023 - ACS Publications
We present an analysis of the static exchange-correlation (XC) kernel computed from hybrid
functionals with a single mixing coefficient such as PBE0 and PBE0–1/3. We break down the …

Effective static approximation: A fast and reliable tool for warm-dense matter theory

T Dornheim, A Cangi, K Ramakrishna, M Böhme… - Physical Review Letters, 2020 - APS
We present an effective static approximation (ESA) to the local field correction (LFC) of the
electron gas that enables highly accurate calculations of electronic properties like the …

Ab Initio Path Integral Monte Carlo Simulations of the Uniform Electron Gas on Large Length Scales

T Dornheim, S Schwalbe, ZA Moldabekov… - The Journal of …, 2024 - ACS Publications
The accurate description of non-ideal quantum many-body systems is of prime importance
for a host of applications within physics, quantum chemistry, materials science, and related …

Static Electronic Density Response of Warm Dense Hydrogen: Ab Initio Path Integral Monte Carlo Simulations

M Böhme, ZA Moldabekov, J Vorberger, T Dornheim - Physical Review Letters, 2022 - APS
The properties of hydrogen under extreme conditions are important for many applications,
including inertial confinement fusion and astrophysical models. A key quantity is given by …