scholarly journals Application of the graphical unitary group approach to the energy second derivative for CI wave functions via the coupled perturbed CI equations

1983 ◽  
Author(s):  
D.J. Fox
Keyword(s):  
Unitary Group ◽  
Wave Functions ◽  
Second Derivative ◽  
Group Approach ◽  
Unitary Group Approach ◽  
Graphical Unitary Group Approach

The Loop-Driven Graphical Unitary Group Approach: A Powerful Method for the Variational Description of Electron Correlation

1980 ◽  
Vol 21 (3-4) ◽  
pp. 312-322 ◽  
Author(s):  
Bernard R Brooks ◽  
William D Laidig ◽  
Paul Saxe ◽  
Nicholas C Handy ◽  
Henry F Schaefer
Keyword(s):  
Electron Correlation ◽  
Unitary Group ◽  
Powerful Method ◽  
Group Approach ◽  
Unitary Group Approach ◽  
Graphical Unitary Group Approach

scholarly journals Representations of Shavitt Graphs Within the Graphical Unitary Group Approach

2019 ◽  
Vol 41 (2) ◽  
pp. 129-135 ◽  
Author(s):  
Ron Shepard ◽  
Scott R. Brozell ◽  
Gergely Gidofalvi
Keyword(s):  
Unitary Group ◽  
Group Approach ◽  
Unitary Group Approach ◽  
Graphical Unitary Group Approach
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