Lecture
Many Body Perturbation: Solutions and Corrections
Description
This lecture covers the solutions and corrections in many-body perturbation theory, focusing on exactly solvable models and the calculation of coefficients for the first and second order corrections to the wavefunction and energy. It also explains the Møller-Plesset perturbation theory, detailing the unperturbed system, perturbation, and corrections to the energy and wavefunction. The instructor emphasizes the importance of normalization conditions and the impact of electron-electron repulsion in the calculations.
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