2 papers
physics.comp-ph2020
Split representation of adaptively compressed polarizability operator
Dong An, Lin Lin, Ze Xu
The polarizability operator plays a central role in density functional perturbation theory and other perturbative treatment of first principle electronic structure theories. The co…
math.NA2016
Adaptively compressed polarizability operator for accelerating large scale \textit{ab initio} phonon calculations
Lin Lin, Ze Xu, Lexing Ying
Phonon calculations based on first principle electronic structure theory, such as the Kohn-Sham density functional theory, have wide applications in physics, chemistry and material…