42 citations · 80 across the 10 of their papers we have counts for
6 papers · 1 filter
GPU acceleration of hybrid functional calculations in the SPARC electronic structure code
Xin Jing, Abhiraj Sharma, John E. Pask +1
We present a GPU-accelerated version of the real-space SPARC electronic structure code for performing hybrid functional calculations in generalized Kohn-Sham density functional the…
Real-space formulation of the stress tensor for density functional theory: application to high temperature calculations
Abhiraj Sharma, Sebastien Hamel, Mandy Bethkenhagen +2
We present an accurate and efficient real-space formulation of the Hellmann-Feynman stress tensor for Kohn-Sham density functional theory (DFT). While applicable a…
SPARC: Simulation Package for Ab-initio Real-space Calculations
Qimen Xu, Abhiraj Sharma, Benjamin Comer +5
We present SPARC: Simulation Package for Ab-initio Real-space Calculations. SPARC can perform Kohn-Sham density functional theory calculations for isolated systems such as molecule…
M-SPARC: MATLAB-Simulation Package for Ab-initio Real-space Calculations
Qimen Xu, Abhiraj Sharma, Phanish Suryanarayana
We present M-SPARC: MATLAB-Simulation Package for Ab-initio Real-space Calculations. It can perform pseudopotential spin-polarized and unpolarized Kohn-Sham Density Functional Theo…
On the calculation of the stress tensor in real-space Kohn-Sham Density Functional Theory
Abhiraj Sharma, Phanish Suryanarayana
We present an accurate and efficient formulation of the stress tensor for real-space Kohn-Sham Density Functional Theory (DFT) calculations. Specifically, while employing a local f…
On real-space Density Functional Theory for non-orthogonal crystal systems: Kronecker product formulation of the kinetic energy operator
Abhiraj Sharma, Phanish Suryanarayana
We present an accurate and efficient real-space Density Functional Theory (DFT) framework for the ab-initio study of non-orthogonal crystal systems. Specifically, employing a local…