Hartree-Fock

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The Exchange self-energy

The xxvxc runlevel calculates the matrix elements of the xc potential (corresponding to the one used in the Ground state calculation), and of the exchange self-energy. These matrix elements are used in the gowo runlevel to calculate the quasiparticle corrections.The exchange self-energy is defined as

PIC doc XX-11.png

which yields

PIC doc XX-18.png

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