[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) …

Overcoming the chemical complexity bottleneck in on-the-fly machine learned molecular dynamics simulations

LR Timmerman, S Kumar… - Journal of Chemical …, 2024 - ACS Publications
We develop a framework for on-the-fly machine learned force field molecular dynamics
simulations based on the multipole featurization scheme that overcomes the bottleneck with …

Efficient real space formalism for hybrid density functionals

X Jing, P Suryanarayana - The Journal of Chemical Physics, 2024 - pubs.aip.org
We present an efficient real space formalism for hybrid exchange-correlation functionals in
generalized Kohn–Sham density functional theory (DFT). In particular, we develop an …

Spectral scheme for atomic structure calculations in density functional theory

S Bhowmik, JE Pask, AJ Medford… - Computer Physics …, 2025 - Elsevier
We present a spectral scheme for atomic structure calculations in pseudopotential Kohn-
Sham density functional theory. In particular, after applying an exponential transformation of …

Real space method for HAADF image simulation

L Qin, P Yang, Q Jin, C Yang, J Zhang, Y Yang - Micron, 2024 - Elsevier
A new real space HAADF simulation method was described in detail and a Real Space-
STEM software was developed based on the new simulation method. The algorithm of the …

[HTML][HTML] Shock Hugoniot calculations using on-the-fly machine learned force fields with ab initio accuracy

S Kumar, JE Pask, P Suryanarayana - Physics of Plasmas, 2024 - pubs.aip.org
We present a framework for computing the shock Hugoniot using on-the-fly machine learned
force field (MLFF) molecular dynamics simulations. In particular, we employ an MLFF model …

Cyclic and helical symmetry-informed machine learned force fields: Application to lattice vibrations in carbon nanotubes

A Sharma, S Kumar, P Suryanarayana - … of the Mechanics and Physics of …, 2025 - Elsevier
We present a formalism for developing cyclic and helical symmetry-informed machine
learned force fields (MLFFs). In particular, employing the smooth overlap of atomic positions …

Finite-element methods for noncollinear magnetism and spin-orbit coupling in real-space pseudopotential density functional theory

N Kodali, P Motamarri - arXiv preprint arXiv:2410.02754, 2024 - arxiv.org
We introduce an efficient finite-element approach for large-scale real-space pseudopotential
density functional theory (DFT) calculations incorporating noncollinear magnetism and spin …

[PDF][PDF] Industry enters the XPU era: from an educational view

C Jiang, R Ding, X Cui, Y Xie, Z Zhao, X Wang, Y Qiao - researchgate.net
This paper, from an educational perspective, examines the transition to the Internet of
Everything and the increasing demands on data and computing infrastructure. It focuses on …