[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 …

[HTML][HTML] Toward first principles-based simulations of dense hydrogen

M Bonitz, J Vorberger, M Bethkenhagen… - Physics of …, 2024 - pubs.aip.org
Accurate knowledge of the properties of hydrogen at high compression is crucial for
astrophysics (eg, planetary and stellar interiors, brown dwarfs, atmosphere of compact stars) …

Like dissolves like: A first-principles theory for predicting liquid miscibility and mixture dielectric constant

B Zhuang, G Ramanauskaite, ZY Koa, ZG Wang - Science advances, 2021 - science.org
Liquid mixtures are ubiquitous. Miscibility and dielectric constant are fundamental properties
that govern the applications of liquid mixtures. However, despite their importance, miscibility …

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 …

Dynamic exchange correlation effects in the strongly coupled electron liquid

T Dornheim, P Tolias, F Kalkavouras, ZA Moldabekov… - Physical Review B, 2024 - APS
The first quasiexact ab initio path integral Monte Carlo (PIMC) investigation of the dynamic
local field correction G ̃ (q, zl; rs, Θ) in the imaginary Matsubara frequency domain is …

Assessing the accuracy of hybrid exchange-correlation functionals for the density response of warm dense electrons

ZA Moldabekov, M Lokamani, J Vorberger… - The Journal of …, 2023 - pubs.aip.org
We assess the accuracy of common hybrid exchange-correlation (XC) functionals (PBE0,
PBE0-1/3, HSE06, HSE03, and B3LYP) within the Kohn–Sham density functional theory for …

Measurements of non-Maxwellian electron distribution functions and their effect on laser heating

AL Milder, J Katz, R Boni, JP Palastro, M Sherlock… - Physical Review Letters, 2021 - APS
Electron velocity distribution functions driven by inverse bremsstrahlung heating are
measured to be non-Maxwellian using a novel angularly resolved Thomson-scattering …

First-principles modeling of plasmons in aluminum under ambient and extreme conditions

K Ramakrishna, A Cangi, T Dornheim, A Baczewski… - Physical Review B, 2021 - APS
The theoretical understanding of plasmon behavior is crucial for an accurate interpretation of
inelastic scattering diagnostics in many experiments. We highlight the utility of linear …

First principles simulations of dense hydrogen

M Bonitz, J Vorberger, M Bethkenhagen… - arXiv preprint arXiv …, 2024 - arxiv.org
Accurate knowledge of the properties of hydrogen at high compression is crucial for
astrophysics (eg planetary and stellar interiors, brown dwarfs, atmosphere of compact stars) …