PHYSICS / 247


PS 642-THEORY OF OPTICAL SPECTRA. 3 credits
 Prerequisite: PS 645. Theory of angular momentum applied to the structure and
spectra of atoms.
PS 643-QUANTUM MECHANICS 1. 3 credits
 Prerequisites: MS 501, MS 502, PS 541. The Schr6dinger equation. WKB
approximation, properties of operators and eigenfunctions, matrices, angular mo-
mentum, hydrogen atom.
PS 644-QUANTUM MECHANICS 2. 3 credits
 Prerequisite: PS 643. Variational principle, elementary perturbation theory,
degenerate perturbation theory. Dirac notation and spin. Quantum theory of
measurement.
PS 645-QUANTUM MECHANICS 3. 3 credits
 Prerequisite: PS 644. Scattering theory, identical particles, quantized ampli-
tudes, positron hole theory, addition of angular momentum, symmetry principles.
Topics may be shifted among PS 643, PS 644 and PS 645.
PS 647-QUANTUM THEORY OF MATTER 1. 3 credits
 Identical with CY 647. Prerequisite: PS 541. Quantum mechanics of atoms.
Hartree-Fock theory. Interaction of radiation and matter. Relativistic theory.
PS 648-QUANTUM THEORY OF MATTER 2. 3 credits
 Identical with CY 648. Prerequisite: PS 647. Diatomic and polyatomic molecules.
Symmetry properties and group theory.
PS 649-QUANTUM THEORY OF MATTER 3. 3 credits
 Identical with CY 649. Prerequisite: PS 648. Special topics in the quantum
theory of atoms, molecules, and solids.
PS 660-SEMINAR IN EXPERIMENTAL NUCLEAR PHYSICS. 1 credit
 Current literature of nuclear-structure physics from an experimental viewpoint.
May be repeated with change of content up to a maximum of 20 credits.
PS 661-THEORETICAL FOUNDATIONS OF NUCLEAR PHYSICS. 3 credits
 Schr6dinger's equation and the independent particle model of the nucleus,
velocity dependent potentials, relations of IPM to resonances, doorway states, di-
rect reactions, the N-N interaction, and nuclear structure.
PS 662-EXPERIMENTAL FOUNDATIONS OF NUCLEAR PHYSICS 1. 3 credits
 Prerequisite: PS 661. Radioactivity, radiation detection, nuclear decay, ac-
celerators, basic nuclear reaction studies. Nuclear spectroscopy.
PS 663-EXPERIMENTAL FOUNDATIONS OF NUCLEAR PHYSICS 2. 3 credits
 Prerequisite: PS 662. Nuclear structure, with emphasis on information obtained
through nuclear reactions. Application of experimental results to various nuclear
models. Scattering.
PS 671-RELATIVISTIC QUANTUM MECHANICS. 3 credits
 Prerequisite: PS 645. The inhomogeneous Lorentz group. One-particle relativistic
wave equations for spins 0, 2, and 1 and their Green's functions (Feynman
propagators). Photon-electron interaction and Feynman diagrams.
PS 672-QUANTUM ELECTRODYNAMICS. 3 credits
 Prerequisite: PS 671. Renormalization, the Bethe-Salpeter equation, the hydrogen
 atom, natural line breadth, and the Compton effect.
 PS 680-SEMINAR IN MODERN PHYSICS. 1 credit
 Recent developments in theoretical and experimental physics. May be repeated
 with change of content up to a maximum of 20 credits.