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Unformatted text preview: Classical treatment of the radiation field. Stimulated absorption and emission. Light scattering. Quantized radiation field. Spontaneous emission. 4. Radiation and matter: coherent interactions (DDD ~5 lectures) Ensembles of radiators. Density matrix. Bloch equations. Quantum theory of NMR. Spin (photon, vibrational) echoes. 5. Tunneling and relaxation (NM ~4 lectures) Potential barriers and tunneling in molecular systems. Two-level systems. Site and eigenstate representations. The reduced density matrix. Redfield equations. Two-level system interacting with a bath: tunneling splitting, coherent vs. incoherent dynamics and relaxation. 6. Time correlation functions in spectroscopy (DDD ~5 lectures) Electronic spectroscopy. Vibrational spectroscopy. 7. Chemical reactions (NM ~2 lectures) Flux correlation functions and reaction rates. Transition state theory. Kramers turnover and tunneling....
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- Spring '08
- density matrix, time-dependent Schrödinger equation, Hamiltonians, Time-dependent perturbation theory, time-dependent quantum mechanics