[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 …

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) …

Electronic pair alignment and roton feature in the warm dense electron gas

T Dornheim, Z Moldabekov, J Vorberger… - Communications …, 2022 - nature.com
The study of matter under extreme densities and temperatures as they occur, for example, in
astrophysical objects and nuclear fusion applications has emerged as one of the most active …

[HTML][HTML] Ab initio path integral Monte Carlo simulations of warm dense two-component systems without fixed nodes: Structural properties

T Dornheim, S Schwalbe, MP Böhme… - The Journal of …, 2024 - pubs.aip.org
We present extensive new ab initio path integral Monte Carlo (PIMC) results for a variety of
structural properties of warm dense hydrogen and beryllium. To deal with the fermion sign …

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 …

[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 …

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 …

[HTML][HTML] Fermionic physics from ab initio path integral Monte Carlo simulations of fictitious identical particles

T Dornheim, P Tolias, S Groth… - The Journal of …, 2023 - pubs.aip.org
The ab initio path integral Monte Carlo (PIMC) method is one of the most successful
methods in statistical physics, quantum chemistry and related fields, but its application to …