Quantum Physics II: Time-Independent Perturbation Theory

Related lectures (32)

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

Covers the variational principle in quantum physics for approximating energy levels.

Explores density operator matrix transformation in quantum physics and the implications of measuring the system, leading to state collapse.

Explains the transformation from a matrix to the density operator in quantum physics.

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

Explores Hartree-Fock equations, variational principles, excited states, and quantum physics concepts.

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

Explores second-order perturbation theory in quantum physics for transition probabilities and rates.

Covers the concept of matrix to the density operator in quantum physics.

Explores the historical perspective and postulates of quantum mechanics, focusing on the harmonic oscillator and approximation methods.