Quantum Chemistry 8.7 – Perturbation Theory Derivation

Short lecture on the derivation of the 1st order perturbation theory energy.

Using the Schrodinger equation and the Hamiltonian with an adjustable perturbation parameter lambda, we can derive expressions for each order of perturbation theory. Here we derive the expression for the first order energy correction.

Notes Slide: http://i.imgur.com/MInsrfo.png

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