Understanding dense hydrogen at planetary conditions

R Helled, G Mazzola, R Redmer - Nature Reviews Physics, 2020 - nature.com
Materials at high pressures and temperatures are of great interest for planetary science and
astrophysics, warm dense-matter physics and inertial confinement fusion research …

[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 …

Stochastic vector techniques in ground-state electronic structure

R Baer, D Neuhauser, E Rabani - Annual Review of Physical …, 2022 - annualreviews.org
We review a suite of stochastic vector computational approaches for studying the electronic
structure of extended condensed matter systems. These techniques help reduce algorithmic …

[HTML][HTML] Path integral molecular dynamics for fermions: Alleviating the sign problem with the Bogoliubov inequality

B Hirshberg, M Invernizzi, M Parrinello - The Journal of chemical …, 2020 - pubs.aip.org
We present a method for performing path integral molecular dynamics (PIMD) simulations
for fermions and address its sign problem. PIMD simulations are widely used for studying …

Virial expansion of the electrical conductivity of hydrogen plasmas

G Röpke, M Schörner, R Redmer, M Bethkenhagen - Physical Review E, 2021 - APS
The low-density limit of the electrical conductivity σ (n, T) of hydrogen as the simplest ionic
plasma is presented as a function of the temperature T and mass density n in the form of a …

Density embedding method for nanoscale molecule–metal interfaces

X Shao, W Mi, M Pavanello - The Journal of Physical Chemistry …, 2022 - ACS Publications
In this work, we extend the applicability of standard Kohn–Sham DFT (KS-DFT) to model
realistically sized molecule–metal interfaces where the metal slabs venture into the tens of …

Plane-wave-based stochastic-deterministic density functional theory for extended systems

Q Liu, M Chen - Physical Review B, 2022 - APS
Traditional finite-temperature Kohn-Sham density functional theory (KSDFT) based on the
diagonalization (DG) method has an unfavorable scaling with respect to the electron number …

First-principles derivation and properties of density-functional average-atom models

TJ Callow, SB Hansen, E Kraisler, A Cangi - Physical Review Research, 2022 - APS
Finite-temperature Kohn-Sham density functional theory (KS-DFT) is a widely-used method
in warm dense matter (WDM) simulations and diagnostics. Unfortunately, full KS-DFT …

Stochastic density functional theory combined with Langevin dynamics for warm dense matter

RE Hadad, A Roy, E Rabani, R Redmer, R Baer - Physical Review E, 2024 - APS
This study overviews and extends a recently developed stochastic finite-temperature Kohn-
Sham density functional theory to study warm dense matter using Langevin dynamics …

[HTML][HTML] Transport coefficients of warm dense matter from Kohn-Sham density functional theory

CA Melton, RC Clay, KR Cochrane, A Dumi… - Physics of …, 2024 - pubs.aip.org
We present a comprehensive study of transport coefficients including DC electrical
conductivity and related optical properties, electrical contribution to the thermal conductivity …