[HTML][HTML] From density response to energy functionals and back: An ab initio perspective on matter under extreme conditions
Energy functionals serve as the basis for different models and methods in quantum and
classical many-particle physics. Arguably, one of the most successful and widely used …
classical many-particle physics. Arguably, one of the most successful and widely used …
Meta-GGA exchange-correlation free energy density functional to increase the accuracy of warm dense matter simulations
We discuss strategies for thermalization of the ground-state meta-generalized gradient
approximation (meta-GGA) exchange-correlation (XC) functionals. A simple but accurate …
approximation (meta-GGA) exchange-correlation (XC) functionals. A simple but accurate …
First principles simulations of dense hydrogen
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) …
astrophysics (eg planetary and stellar interiors, brown dwarfs, atmosphere of compact stars) …
High-pressure hydrogen by machine learning and quantum Monte Carlo
We have developed a technique combining the accuracy of quantum Monte Carlo in
describing the electron correlation with the efficiency of a machine learning potential (MLP) …
describing the electron correlation with the efficiency of a machine learning potential (MLP) …
On the liquid–liquid phase transition of dense hydrogen
Until recently, the consensus theoretical and computational interpretation of the liquid–liquid
phase transition (LLPT) of high-pressure hydrogen—which has proved challenging to …
phase transition (LLPT) of high-pressure hydrogen—which has proved challenging to …
Spin-crossover from a well-behaved, low-cost meta-GGA density functional
D Mejía-Rodríguez, SB Trickey - The Journal of Physical …, 2020 - ACS Publications
The recent major modification, r2SCAN, of the SCAN (strongly constrained and
appropriately normed) meta-GGA exchange-correlation functional is shown to give …
appropriately normed) meta-GGA exchange-correlation functional is shown to give …
Shock-induced metallization of polystyrene along the principal Hugoniot investigated by advanced thermal density functionals
To date, none of the ab initio molecular dynamics simulations of polystyrene, often used as
an ablator material in inertial confinement fusion targets, with the standard ground-state …
an ablator material in inertial confinement fusion targets, with the standard ground-state …
[HTML][HTML] Thermodynamic modeling of fluid polyamorphism in hydrogen at extreme conditions
Fluid polyamorphism, the existence of multiple amorphous fluid states in a single-
component system, has been observed or predicted in a variety of substances. A remarkable …
component system, has been observed or predicted in a variety of substances. A remarkable …
Improved first-principles equation-of-state table of deuterium for high-energy-density applications
We present a first-principles equation-of-state (EOS) table of deuterium aimed at improving
the previously established first-principles equation-of-state table (FPEOS)[SX Hu, Phys. Rev …
the previously established first-principles equation-of-state table (FPEOS)[SX Hu, Phys. Rev …
Electronic energy gap closure and metal-insulator transition in dense liquid hydrogen
Using quantum Monte Carlo (QMC) calculations, we investigate the insulator-metal
transition observed in liquid hydrogen at high pressure. Below the critical temperature of the …
transition observed in liquid hydrogen at high pressure. Below the critical temperature of the …