PHYS 228
Atomic and Molecular Physics
University of California Santa Barbara · UGRD · Fall 2026
Catalog description
A survey of major topics in modern atomic physics. Topics in atomic structure include general features of atomic spectra, fine structure, hyperfine structure, the Lamb shift, hydrogen, helium, alkali atoms, complex atoms, excited states, and synthetic atoms. Topics in atom-field interactions and atom atom interactions include the DC Stark effect, the Zeeman effect, transitions, two-level systems, stimulated and spontaneous emission, selection rules, lifetimes, line shapes, broadening mechanisms, the AC Stark effect, multiphoton processes, scattering channels, and Feshbach resonances. Also coversmodern techniques including spectroscopy, laser cooling, atom traps, quantum gases, cold molecules, trapped ions, and atomic clocks.
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