Direct free energy calculation from ab initio path integral Monte Carlo simulations of warm dense matter

T Dornheim, Z Moldabekov, S Schwalbe… - arxiv preprint arxiv …, 2024 - arxiv.org
We carry out highly accurate\emph {ab initio} path integral Monte Carlo (PIMC) simulations
to directly estimate the free energy of various warm dense matter systems including the …

Ionization calculations using classical molecular dynamics

D Plummer, P Svensson, DO Gericke, P Hollebon… - Physical Review E, 2025 - APS
By performing an ensemble of molecular dynamics simulations, the model-dependent
ionization state is computed for strongly interacting systems self-consistently. This is …

Hydrogen liquid-liquid transition from first principles and machine learning

G Tenti, B Jäckl, K Nakano, M Rupp… - arxiv preprint arxiv …, 2025 - arxiv.org
The molecular-to-atomic liquid-liquid transition (LLT) in high-pressure hydrogen is a
fundamental topic touching domains from planetary science to materials modeling. Yet, the …

Chemical potential of the warm dense electron gas from ab initio path integral Monte Carlo simulations

T Dornheim, M Bonitz, Z Moldabekov… - arxiv preprint arxiv …, 2024 - arxiv.org
We present extensive new\emph {ab initio} path integral Monte Carlo (PIMC) simulation
results for the chemical potential of the warm dense uniform electron gas (UEG), spanning a …

Non-Markovian quantum kinetic simulations of uniform dense plasmas: mitigating the aliasing problem

C Makait, M Bonitz - arxiv preprint arxiv:2501.11954, 2025 - arxiv.org
Dense quantum plasmas out of equilibrium are successfully modeled using quantum kinetic
equations, such as the quantum Boltzmann, Landau or Balescu-Lenard equation. However …

High-pressure hydrogen phase diagram from quantum Monte Carlo and machine learning

G Tenti - 2025 - tesidottorato.depositolegale.it
High-pressure hydrogen is of paramount importance in several fields, including planetary
science, condensed matter physics, and energy production applications. Despite its …