Globally convergent type-I Anderson acceleration for nonsmooth fixed-point iterations

J Zhang, B O'Donoghue, S Boyd - SIAM Journal on Optimization, 2020 - SIAM
We consider the application of the type-I Anderson acceleration to solving general
nonsmooth fixed-point problems. By interleaving with safeguarding steps and employing a …

SPARC: Simulation package for ab-initio real-space calculations

Q Xu, A Sharma, B Comer, H Huang, E Chow… - SoftwareX, 2021 - Elsevier
Abstract We present SPARC: Simulation Package for Ab-initio Real-space Calculations.
SPARC can perform Kohn–Sham density functional theory calculations for isolated systems …

Computing the self-consistent field in Kohn–Sham density functional theory

ND Woods, MC Payne, PJ Hasnip - Journal of Physics …, 2019 - iopscience.iop.org
A new framework is presented for evaluating the performance of self-consistent field
methods in Kohn–Sham density functional theory (DFT). The aims of this work are two-fold …

Adsorption characteristics of H2S, SO2, SO2F2, SOF2, and N2 on NiO–MoSe2 monolayer for gas-sensing applications

X Hu, Y Gui, Y Liu, L Xu, L Ran, X Chen - Vacuum, 2021 - Elsevier
Gas insulated switchgear (GIS) is an important equipment in the power transmission and
distribution system, which commonly fills with SF 6/N 2 insulating gas mixture. Due to the …

Adaptive Anderson mixing for electronic structure calculations

M Novák, J Vackář, R Cimrman, O Šipr - Computer Physics …, 2023 - Elsevier
Convergence rates of iterative algorithms for solving non-linear fixed-point (or root-finding)
problems depend on the quality of the solution guess done in each iteration, which is used …

Fully algebraic and self-consistent effective dynamics in a static quantum embedding

PV Sriluckshmy, M Nusspickel, E Fertitta, GH Booth - Physical Review B, 2021 - APS
Quantum embedding approaches involve the self-consistent optimization of a local fragment
of a strongly correlated system, entangled with the wider environment. The 'energy …

[HTML][HTML] Initial micro-galvanic corrosion behavior between Mg2Ca and α-Mg via quasi-in situ SEM approach and first-principles calculation

C Xu, J Wang, C Chen, C Wang, Y Sun, S Zhu… - Journal of Magnesium …, 2023 - Elsevier
The initial micro-galvanic corrosion behavior of Mg‒30wt% Ca alloy only containing Mg 2
Ca and α-Mg was studied by immersion testing in a 0.9% NaCl solution at 37° C. The quasi …