Second Order Perturbation Transition Probabilities

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

Explores time-dependent perturbation theory in quantum physics from an interaction point of view.

Explores time-independent perturbations in quantum physics, covering variational principle and Fourier series.

Explores perturbation theory, proper states, undegenerated states, and problem-solving in quantum bosons.

Covers the theory of time-independent perturbations in the degenerate case.

Explores time-independent perturbation theory in the degenerate case within quantum physics.

Discusses the minimization of the Hartree-Fock functional for N fermions and the variational principle in quantum physics.

Explores the second quantification of fermions, including ventilation operators and annihilation rates.

Explores the physical interpretation of the Schur lemma in quantum physics.

Covers projectors on invariant subspaces in quantum physics and their applications.