Systematic sequences of even-tempered Gaussian primitives in electron correlation studies using many-body perturbation theory

1980 ◽  
Vol 57 (1) ◽  
pp. 53-61 ◽  
Author(s):  
Stephen Wilson
Keyword(s):  
Perturbation Theory ◽  
Electron Correlation ◽  
Many Body ◽  
Correlation Studies ◽  
Many Body Perturbation Theory

scholarly journals Stochastic many-body perturbation theory for electron correlation energies

2019 ◽  
Vol 151 (24) ◽  
pp. 244114
Author(s):  
Zhendong Li
Keyword(s):  
Perturbation Theory ◽  
Electron Correlation ◽  
Many Body ◽  
Many Body Perturbation Theory

scholarly journals Bond Breaking and Bond Formation: How Electron Correlation is Captured in Many-Body Perturbation Theory and Density-Functional Theory

2013 ◽  
Vol 110 (14) ◽  
Author(s):  
Fabio Caruso ◽  
Daniel R. Rohr ◽  
Maria Hellgren ◽  
Xinguo Ren ◽  
Patrick Rinke ◽  
...  
Keyword(s):  
Density Functional Theory ◽  
Perturbation Theory ◽  
Electron Correlation ◽  
Density Functional ◽  
Bond Formation ◽  
Bond Breaking ◽  
Many Body ◽  
Functional Theory ◽  
Many Body Perturbation Theory

Fourth-order many-body perturbation-theory study of the electron-correlation contribution to polarizabilities of Ne

1986 ◽  
Vol 33 (2) ◽  
pp. 814-823 ◽  
Author(s):  
Ivan Cernusak ◽  
Geerd H. F. Diercksen ◽  
Andrzej J. Sadlej
Keyword(s):  
Perturbation Theory ◽  
Fourth Order ◽  
Electron Correlation ◽  
Many Body ◽  
Many Body Perturbation Theory

ENERGY-DEPENDENT MANY-BODY PERTURBATION THEORY: A ROAD TOWARDS A MANY-BODY-QED PROCEDURE

2007 ◽  
Vol 16 (04) ◽  
pp. 1221-1231 ◽  
Author(s):  
INGVAR LINDGREN ◽  
STEN SALOMONSON ◽  
DANIEL HEDENDAHL
Keyword(s):  
Perturbation Theory ◽  
Electron Correlation ◽  
Numerical Evaluation ◽  
Arbitrary Order ◽  
Coulomb Interactions ◽  
Many Body ◽  
Many Body Perturbation Theory ◽  
Qed Effects ◽  
Energy Dependent ◽  
Rigorous Procedure

A rigorous procedure for energy-dependent many-body perturbation theory (MBPT) is presented. This can be applied for numerical evaluation of many-body-QED effects by combining QED with electron correlation to arbitrary order. So far, it has been used only for the exchange of a single retarded photon together with an arbitrary number of instantaneous Coulomb interactions. For heliumlike neon this represents more than 99% of the nonradiative effect on the energy beyond standard MBPT.

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