AU: 4.0
Programme: PHY(SPS)

This course discusses the origins of atomic spectra and shows the application of quantum mechanics in describing the interaction between electron and nuclei in atoms. * Hydrogen atom - central potential approximation, radial wavefunction, quantum numbers, energy levels and degeneracy; electron spin and total angular momentum; spin-orbit coupling and fine structure; Zeeman splitting * Helium atom - Coulomb repulsion and exchange; singlet-triplet splitting * Electronic configuration and periodic table; alkali metals; residual electrostatic interaction; LS-coupling scheme; Hund's rules; hyperfine structure and isotope shift * Selection rules for electric dipole interaction * Zeeman and Stark effects * Inner shell transitions and x-ray spectra * Doppler broadening in laser spectroscopy.