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] 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] 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 …

Nevanlinna analytical continuation

J Fei, CN Yeh, E Gull - Physical Review Letters, 2021 - APS
Simulations of finite temperature quantum systems provide imaginary frequency Green's
functions that correspond one to one to experimentally measurable real-frequency spectral …

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 …

[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 …

Density response of the warm dense electron gas beyond linear response theory: Excitation of harmonics

T Dornheim, M Böhme, ZA Moldabekov… - Physical Review …, 2021 - APS
In a recent letter, Dornheim et al.[Phys. Rev. Lett. 125, 085001 (2020) PRLTAO 0031-9007
10.1103/PhysRevLett. 125.085001] have investigated the nonlinear density response of the …