This note
explains the following topics: Principles of Quantum mechanics, The two-level
system, The Hydrogen Atom, The dipole approximation in the hydrogen atom, The
Helium atom, Propagation of light in dielectric media, Entanglement, Atoms with
many electrons, The spin in atoms with many electrons, Molecular Orbitals of
Diatomic Molecules, Atom-Light Interactions and Dressed States.

The contents of this notes include : Semiclassical Radiative Transitions,
Quantum Optics, Quantum States of Light, Radiative Transitions, Open Systems,
Precision Atomic Experiments.

This note
explains the following topics: Principles of Quantum mechanics, The two-level
system, The Hydrogen Atom, The dipole approximation in the hydrogen atom, The
Helium atom, Propagation of light in dielectric media, Entanglement, Atoms with
many electrons, The spin in atoms with many electrons, Molecular Orbitals of
Diatomic Molecules, Atom-Light Interactions and Dressed States.

This note covers the
following topics: Hydrogen Atom, Hydrogen Atom Fine Structure, Helium Atom,
Multielectron atoms, Hartree-Fock theory, Interaction with Radiation, Lineshapes,
Photoelectric Effect, Introduction to Lasers, Diatomic Molecules and
Scattering.

This lecture note is an introduction to atomic
and molecular physics with non-relativistic quantum mechanics and elementary
mathematical physics as prerequisites. Topics covered includes: History of
Atomic and Molecular Physics and basic backgrounds, Atomic Physics and Atomic
Structure, Molecular Physics and Molecular Structure.

This note covers the following topics: Spectroscopy, Bohr model of the
atom, The Schrodinger equation of the hydrogen atom, Optical transitions in a
two-level system, Magnetic effects in atoms and the electron spin, Many electron
atoms, Energy levels in molecules; the quantum structure.

This lecture note covers the following
topics: Radiation and Atoms, Central Field Approximation , Corrections to the
Central Field: Spin-Orbit interaction, Two-electron Atoms: Residual
Electrostatic Effects and LS-Coupling, Nuclear Effects on Atomic Structure,
Selection Rules, Atoms in Magnetic Fields, X-Rays: transitions involving inner
shell electrons, High Resolution Laser Spectroscopy.

This
lecture note covers the following topics: Nuclei , Empirical Mass Formula,
Nuclear Force, Yukawa Theory and Two-nucleon System, Fundamental Description of
Nuclear Force, Fermi Gas and Deformed Nuclei.

The aim of this note is to explain the
quantum theory of the hydrogen atom and other simple atoms and describes the
main features of atomic spectra and the basic principles of laser operation.