Brillouin's theorem explains why CIS wave functions do not account for this phenomenon in the ground state, while CISD and CISDT wave functions do.
Brillouin's theorem explains why CIS wave functions do not account for this phenomenon in the ground state, while CISD and CISDT wave functions do. The energy induced by this phenomenon is increased by the formation of a Fermi heap and reduced by the formation of a Fermi hole. Thom Dunning developed a type of basis set which is said to be ";consistent"; withthe presence of this phenomenon. The ";dynamic"; form of this phenomenon can be modeled using the coupled cluster method. This phenomenon's namesake energy is defined as the difference between the exact energy of the system and the energy computed using the Hartree- Fock method. The Schrodinger equation for the helium atom is non-separable because this phenomenon produces a non-linear term proportional to one over the difference between two radii. For 10 points, name this phenomenon caused by the Coulombic interactions between particles outside the nuclei of atoms.
Brillouin's theorem explains why CIS wave functions do not account for this phenomenon in the ground state, while CISD and CISDT wave functions do.
electron-electron correlation [or electron-electron repulsion; or electrostatic repulsion; or dynamic correlation; or static correlation; prompt on ―electron-electron interactions,‖ ―electrostatic interactions,‖ correlation, or answers describing a ―deviation from the Hartree-Fock method‖]