Appendix D
Third-Order Self-Energy
The 12 energy-dependent and 6 “constant” terms of the electron propagator self-energy that contribute in third order are listed below. The convention is followed of denoting the spin orbital occupied in the SCF reference state by a,b,c,..., and those unoccupied by p,q,r,..., while unspecified spin orbitals are denoted by i,j...
Problems
- Using the diagram rules of Chapter 10, draw the third-order self-energy diagrams that correspond to the above expressions.
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