The Hamiltonian in second quantization
21:17
Operators in terms of quantum field operators
17:35
Fermion creation and annihilation operators
18:33
Lagrangian and Hamiltonian Mechanics in Under 20 Minutes: Physics Mini Lesson
10:29
What are virtual particles?
17:30
Angular momentum in quantum mechanics
19:32
Occupation number representation of quantum states
17:58
The general Schrödinger equation. x, p commutator
14:18