Perturbation theory

Related lectures (32)

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Covers the theory of time-independent perturbations and the harmonic oscillator.

Explores transition probabilities in first-order perturbation theory with time-dependent perturbations and disturbance theory.

Explores the analytic structure of Green's function, bound and scattering states, and perturbation theory.

Covers the basics of time-dependent perturbation theory and its applications in quantum systems.

Explains free energy as a sum over connected diagrams and the semiclassical propagator in quantum field theory.

Introduces quantum perturbation theory and its systematic approach to solving perturbed quantum systems.

Delves into Moller-Plesset Perturbation Theory, discussing energy corrections and wavefunction expansion in quantum chemistry.

Covers time-dependent perturbation theory, focusing on Fermi's Golden Rule and spontaneous emission.

Covers Many-Body Perturbation Theory as a method to treat electron correlation effects.

Covers the basics of time-dependent perturbation theory in quantum mechanics.