Relationship between the random-phase approximation ground-state total energy andGWquasiparticle energy

2010 ◽  
Vol 82 (11) ◽  
Author(s):  
Lin-Wang Wang
Keyword(s):  
Total Energy ◽  
Ground State ◽  
Random Phase Approximation ◽  
Random Phase ◽  
Phase Approximation

VARIATIONAL RANDOM PHASE APPROXIMATION FOR THE ANHARMONIC OSCILLATOR

1991 ◽  
Vol 06 (26) ◽  
pp. 2429-2435 ◽  
Author(s):  
J. DUKELSKY ◽  
P. SCHUCK
Keyword(s):  
Wave Function ◽  
Density Matrix ◽  
Ground State ◽  
Random Phase Approximation ◽  
Anharmonic Oscillator ◽  
Random Phase ◽  
Oscillator Model ◽  
Phase Approximation ◽  
Truncation Scheme

The recently derived Variational Random Phase Approximation is examined using the anharmonoic oscillator model. Special attention is paid to the ground state RPA wave function and the convergence of the proposed truncation scheme to obtain the diagonal density matrix.

Total energy of solids: An exchange and random-phase approximation correlation study

2002 ◽  
Vol 66 (24) ◽  
Author(s):  
T. Miyake ◽  
F. Aryasetiawan ◽  
T. Kotani ◽  
M. van Schilfgaarde ◽  
M. Usuda ◽  
...  
Keyword(s):  
Total Energy ◽  
Random Phase Approximation ◽  
Random Phase ◽  
Correlation Study ◽  
Phase Approximation
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