456 Phys

Phys 456 Atomic and Molecular Spectroscopy

Spin –Orbit Interaction in H-atom , Pauli Exclusion Principle. Electron configuration in many electron atoms, Atoms with a valance electron , Atoms with two valance electrons (ℓℓ coupling, ss coupling , LS coupling and jj coupling), Hund’s Rule . The interaction of many-electron atoms with magnetic fields, Zeeman Effect, PachenBach Effect, Stark Effect. Molecular Structure, Electronic, vibrational and rotational energy levels of a diatomic molecule. Spectroscopic techniques: Optical spectroscopy , IR spectroscopy, Raman spectroscopy, Magnetic Resonance , Excitation Sources, and data acquisition systems.