M Veresko, MC Cheng - Scientific Reports, 2023 - nature.com
Multi-dimensional direct numerical simulation (DNS) of the Schrödinger equation is needed for design and analysis of quantum nanostructures that offer numerous applications in …
Abstract In Density Functional Theory simulations based on the LAPW method, each self- consistent field cycle comprises dozens of large dense generalized eigenproblems. In …
D Fabregat-Traver, P Bientinesi - ACM Transactions on Mathematical …, 2014 - dl.acm.org
In many scientific and engineering applications, one has to solve not one but multiple instances of the same problem. Often times, these problems are linked in a way that allows …
M Berljafa, D Wortmann… - … and Computation: Practice …, 2015 - Wiley Online Library
In many scientific applications, the solution of nonlinear differential equations are obtained through the setup and solution of a number of successive eigenproblems. These …
X Wu, E Di Napoli - Proceedings of the SC'23 Workshops of The …, 2023 - dl.acm.org
As supercomputers become larger with powerful Graphics Processing Unit (GPU), traditional direct eigensolvers struggle to keep up with the hardware evolution and scale efficiently due …
In this communication computational methods that facilitate finite element analysis of density functional computations are developed. They are:(i) h–adaptive grid refinement techniques …
Density functional theory (DFT) is the most widely-used first-principles theory for analyzing, describing and predicting the properties of solids based on the fundamental laws of …
A Breuer, XC Wang - Journal of Computational Physics, 2018 - Elsevier
Chebyshev filtered subspace iteration (CheFSI) is a popular and powerful solver for the eigenvalue problems embedded in electronic structure calculations. Effective use of ChFSI …
M Berljafa, E Di Napoli - … , PPAM 2013, Warsaw, Poland, September 8-11 …, 2014 - Springer
In one of the most important methods in Density Functional Theory–the Full-Potential Linearized Augmented Plane Wave (FLAPW) method–dense generalized eigenproblems …