Diagrammatic perturbation theory: the contribution of triply-excited states to correlation energies

1979 ◽  
Vol 12 (14) ◽  
pp. L403-L408 ◽  
Author(s):  
S Wilson ◽  
V R Saunders
Keyword(s):  
Perturbation Theory ◽  
Excited States ◽  
Diagrammatic Perturbation Theory

Low-Lying Excited States of C120 and C151: A Multireference Perturbation Theory Study

2010 ◽  
Vol 114 (47) ◽  
pp. 12363-12368 ◽  
Author(s):  
Tetsuya Sakata ◽  
Yukio Kawashima ◽  
Haruyuki Nakano
Keyword(s):  
Perturbation Theory ◽  
Excited States ◽  
Multireference Perturbation Theory
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