Syllabus

Spectra of alkali atoms, vector atom model, LS and JJ couplings, doublet fine structure, two electron atom, Zeeman and Paschen-Back effect, normal and anomalous Zeeman effect, Stark effect. Symmetric and antisymmetric wave functions, Slater determinants, constant field approximation, Hartree-Fock method, Born-Oppenheimer approximation. Fine structure of spectral lines, nuclear spin and hyperfine structure, spectra of diatomic molecules, polyatomic molecules. X-ray spectra, general factors influencing spectral line widths and line intensities, molecular symmetry, irreducible representation, rotational and vibrational spectra of diatomic molecules, Electronic spectra, Franck-Condon principle, bond dissociation energies, molecular orbitals and models, fluorescence and phosphorescence. FTIR and Laser Raman spectroscopy, magnetic resonance, ESR and MNR spectra, lasers, interaction of laser with atoms. Absorption, emission and scattering of radiation, optical Bloch equations, optical pumping, coherent interaction of light with atoms, atomic coherence, Hanle effect, coherent population trapping, electromagnetically induced transparency.