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| Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations | |
| 作者姓名： | Yang Weitao |
| 作者单位： | 1.Department of Chemistry and Physics,Duke University,Durham,N.C.27708,U.S.A.;Key Laboratory of Theoretical Chemistry of Environment,Ministry of Education School of Chemistry and Environment,South China Normal University,Guangzhou |
| 摘 要： | We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re- |
| 关 键 词： | Approximation pairing Correlation perturbation illustrate formulate formulation adiabatic charges fluctuation |
| 收稿时间： | 2014-10-09 |
Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations |
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| Yang Weitao.Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations[J].Journal of South China Normal University(Natural Science Edition),2014,46(6):137-138. | |
| Authors: | Yang Weitao |
| Abstract: | |
| Keywords: | Approximation pairing Correlation perturbation illustrate formulate formulation adiabatic charges fluctuation |
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