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20212026
most citedLinear Scaling Calculations of Excitation Energies with Active-Space Particle-Particle Random Phase Approximation

21 citations · 48 across the 10 of their papers we have counts for

collaborators

10 papers

physics.chem-ph2026

Correlation-consistent Gaussian basis sets for copper solids from material-constrained atomic optimization

Jincheng Yu, Xiaoyu Zhang, Min-Ye Zhang +3

Correlation-consistent Gaussian basis sets are central to systematic molecular quantum chemistry, but their direct use in periodic solids is often limited by severe linear dependen…

physics.chem-ph2026

Eliminating Delocalization Error through Localized Orbital Scaling Correction with Orbital Relaxation from Linear Response

Yichen Fan, Jincheng Yu, Jiayi Du +1

Despite the great success that Kohn-Sham density functional theory (KS-DFT) has achieved, the delocalization error remains a major challenge for commonly used density functional ap…

cond-mat.str-el2026★ 2 cited

Ab Initio Many Body Quantum Embedding and Local Correlation in Crystalline Materials using Interpolative Separable Density Fitting

Junjie Yang, Ning Zhang, Shunyue Yuan +3

We present an efficient implementation of ab initio many-body quantum embedding and local correlation methods for infinite periodic systems through translational symmetry adapted i…

physics.chem-ph2025

LibppRPA: An Open-Source Library for Particle-Particle Random Phase Approximation

Jincheng Yu, Jiachen Li, Chaoqun Zhang +2

The accurate description of electron correlation and excitation energies remains a fundamental challenge in quantum chemistry. The particle-particle random phase approximation (ppR…

physics.chem-ph2024★ 9 cited

Accurate and Efficient Prediction of Double Excitation Energies Using the Particle-Particle Random Phase Approximation

Jincheng Yu, Jiachen Li, Tianyu Zhu +1

Double excitations are crucial to understanding numerous chemical, physical, and biological processes, but accurately predicting them remains a challenge. In this work, we explore…

physics.chem-ph2024

Particle-Particle Random Phase Approximation for Predicting Correlated Excited States of Point Defects

Jiachen Li, Yu Jin, Jincheng Yu +2

The particle-particle random phase approximation (ppRPA) within the hole-hole channel was recently proposed as an efficient tool for computing excitation energies of point defects…

physics.chem-ph2024

Accurate Prediction of Core Level Binding Energies from Ground-State Density Functional Calculations: The Importance of Localization and Screening

Jincheng Yu, Yuncai Mei, Zehua Chen +1

A new method for predicting core level binding energies (CLBEs) is developed by both localizing the core-level states and describing the screening effect. CLBEs contain important i…

physics.chem-ph2024★ 15 cited

Accurate Excitation Energies of Point Defects from Fast Particle-Particle Random Approximation Calculations

Jiachen Li, Yu Jin, Jincheng Yu +2

We present an efficient particle-particle random phase approximation (ppRPA) approach that predicts accurate excitation energies of point defects, including the nitrogen-vacancy (N…

physics.chem-ph2023★ 21 cited

Linear Scaling Calculations of Excitation Energies with Active-Space Particle-Particle Random Phase Approximation

Jiachen Li, Jincheng Yu, Zehua Chen +1

We developed an efficient active-space particle-particle random phase approximation (ppRPA) approach to calculate accurate charge-neutral excitation energies of molecular systems.…

physics.chem-ph2021★ 1 cited

LibSC: Library for Scaling Correction Methods in Density Functional Theory

Yuncai Mei, Jincheng Yu, Zehua Chen +2

In recent years, a series of scaling correction (SC) methods have been developed in the Yang laboratory to reduce and eliminate the delocalization error, which is an intrinsic and…