Physics 412-3
Quantum Mechanics III
Spring 2021
J. A. Sauls


Lecture Notes:

  1. 3/30/2021: Lecture 1 - Dirac's Relativistic Theory of the Electron
  2. 4/02/2021: Lecture 2 - Solutions to the Dirac Equation - Free Electron
  3. 4/02/2021: Discussion 1 - Special Theory of Relativity and Maxwell's Equations
  4. 4/05/2021: Lecture 3 - Dirac Theory - Non-Relativistic Limit & Fine Structure
  5. 4/09/2021: Lecture 4 - Dirac Theory - Fine Structure and Spin-Orbit Interactions
  6. 4/12/2021: Lecture 5 - Hyperfine Interactions in Hydrogenic Atoms
  7. 4/12/2021: Discussion 2 - Cartesian Tensors, Angular Integration & Invariant Tensors
  8. 4/14/2021: Lecture 6 - Time-Dependent Phenomena in Quantum Mechanics
  9. 4/16/2021: Lecture 7 - Weak Time-Dependent Potentials - Fermi's Golden Rule
  10. 4/19/2021: Lecture 8 - Radiative Transitions via Classical EM Fields
  11. 4/19/2021: Discussion 3 - Notes on problems in Relativistic Quantum Mechcanics
  12. 4/21/2021: Lecture 9 - Detailed Balance & Spontaneous Emission à la Einstein
  13. 4/23/2021: Lecture 10 - Quantization of the Radiation Field - Fock States
  14. 4/26/2021: Lecture 11 - Incoherent & Coherent States (Glauber) of the EM Field
  15. 4/28/2021: Lecture 12 - Number-Phase Uncertainty & Classical Correspondence
  16. 4/30/2021: Lecture 13 - Vacuum Energy and Casimir Forces
  17. 5/03/2021: Lecture 14 - Thermal Radiation, the Planck Distribution & the CMB
  18. 5/05/2021: Lecture 15 - Quantum Theory of Spontaneous Emission & Vacuum Fluctuations
  19. 5/07/2021: Lecture 16 - Photo-emission & the Photo-electric cross-section of Hydrogen
  20. 5/10/2021: Lecture 17 - Thomson Scattering - Differential Cross-Section
  21. 5/12/2021: Lecture 18 - Thomson Scattering - Kinematics & Photon Diffusion in the Sun
  22. 5/14/2021: Lecture 19 - Selection Rules: Allowed & Forbidden Transitions
  23. 5/14/2021: Discussion 4 - Notes on Planck Radiance, Units and Contour Integration
  24. 5/17/2021: Lecture 20 - Second-Order Perturbation Theory for Stationary States
  25. 5/19/2021: Lecture 21 - Perturbation Theory - Polarizability of a Diatomic Molecule
  26. 5/24/2021: Lecture 22 - Scattering from a local Potential - Wave Packets & Fourier Amplitudes
  27. 5/26/2021: Lecture 23 - Propagator, Scattering Amplitude & Scattering Cross-Sections
  28. 5/28/2021: Lecture 24 - Partial Wave Expansion, Phase Shifts & Optical Theorem
  29. 6/02/2021: Lecture 25 - Light Scattering - Kramers & Heisenberg Theory
  30. 6/04/2021: Lecture 26 - Light Scattering - Rayleigh and Thomson scattering (Dirac Theory)