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] 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) …

[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 …

Ab initio Path Integral Monte Carlo Results for the Dynamic Structure Factor of Correlated Electrons: From the Electron Liquid to Warm Dense Matter

T Dornheim, S Groth, J Vorberger, M Bonitz - Physical review letters, 2018 - APS
The accurate description of electrons at extreme density and temperature is of paramount
importance for, eg, the understanding of astrophysical objects and inertial confinement …

Fermion sign problem in path integral Monte Carlo simulations: Quantum dots, ultracold atoms, and warm dense matter

T Dornheim - Physical Review E, 2019 - APS
The ab initio thermodynamic simulation of correlated Fermi systems is of central importance
for many applications, such as warm dense matter, electrons in quantum dots, and ultracold …

[HTML][HTML] Physical insights from imaginary-time density–density correlation functions

T Dornheim, ZA Moldabekov, P Tolias… - Matter and Radiation …, 2023 - pubs.aip.org
An accurate theoretical description of the dynamic properties of correlated quantum many-
body systems, such as the dynamic structure factor S (q, ω), is important in many fields …

Ab initio path integral Monte Carlo approach to the static and dynamic density response of the uniform electron gas

S Groth, T Dornheim, J Vorberger - Physical Review B, 2019 - APS
In a recent Letter [T. Dornheim, Phys. Rev. Lett. 121, 255001 (2018) PRLTAO 0031-9007
10.1103/PhysRevLett. 121.255001] we have presented ab initio results for the dynamic …

Finite-size effects in the reconstruction of dynamic properties from ab initio path integral Monte Carlo simulations

T Dornheim, J Vorberger - Physical Review E, 2020 - APS
We systematically investigate finite-size effects in the dynamic structure factor S (q, ω) of the
uniform electron gas obtained via the analytic continuation of ab initio path integral Monte …

Ab initio path integral monte carlo simulation of the uniform electron gas in the high energy density regime

T Dornheim, ZA Moldabekov… - Plasma Physics and …, 2020 - iopscience.iop.org
The response of the uniform electron gas (UEG) to an external perturbation is of paramount
importance for many applications. Recently, highly accurate results for the static density …

[HTML][HTML] Energy response and spatial alignment of the perturbed electron gas

T Dornheim, P Tolias, ZA Moldabekov… - The Journal of Chemical …, 2023 - pubs.aip.org
We study the linear energy response of the uniform electron gas to an external harmonic
perturbation with a focus on resolving different contributions to the total energy. This has …