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physics.comp-ph2023
Sub-quadratic scaling real-space random-phase approximation correlation energy calculations for periodic systems with numerical atomic orbitals
Rong Shi, Peize Lin, Min-Ye Zhang +2
The random phase approximation (RPA) as formulated as an orbital-dependent, fifth-rung functional within the density functional theory (DFT) framework offers a promising approach f…
cond-mat.mtrl-sci2023★ 2 cited
Introduction to the Fifth-rung Density Functional Approximations: Concept, Formulation, and Applications
Igor Ying Zhang, Xinguo Ren
The widespread use of (generalized) Kohn-Sham density functional theory (KS-DFT) lies in the fact that hierarchical sets of approximations of the exchange-correlation (XC) energy f…