Table of Contents
This page provides an overview and links to all the sections of the website.
From Classical Physics to the Quantum World
Quantum Mechanics
- Wave Mechanics
- States and Operators in Quantum Mechanics
- Quantum Measurement and the Measurement Problem
- Commutators and the Heisenberg Uncertainty Principle
- Angular Momenta and Their Couplings
- The One-Dimensional Quantum Harmonic Oscillator
- Time-Independent Perturbation Theory
- Time-Dependent Perturbation Theory and Fermi’s Golden Rule
- The Variational Method
- Exchange Interaction: Fermions and Bosons
- Relativistic Wave Equations — the Dirac Equation
Hydrogen Atom: Wave Functions
- Orbital Angular Momentum in Quantum Mechanics
- Hydrogen atom — Schrödinger equation and radial solutions
- Visualizing Hydrogen Orbitals
Hydrogen Atom: Shifts and Interactions
- Electron Spin and Fine Structure
- The Lamb Shift — An Introduction to Quantum Electrodynamics
- The Hyperfine Structure (HFS)
- Summary — energy-level splitting
- Hydrogen in Static External Fields
Absorption and Emission of Radiation
- Transition processes and Einstein Coefficients
- Spontaneous Decay and Atomic Transition Rates
- Visualizing Atomic Transitions
- Radiation and Selection Rules
- Spectroscopy and Spectral Line Widths
- Doppler-Free Saturation Spectroscopy
More than One Electron Atoms
- Helium (Basics)
- Two-Electron States in Helium
- Calculations for Multielectron Atoms
- Shell Model and Periodic Table
- Angular Momentum Coupling in Many Electron Atoms
- Excited States
Introduction to Molecular Physics
- Foundations of Molecular Bonding
- The H\(_2^+\) Molecular Ion
- Molecular Orbitals and the LCAO Method
- Beyond H\(_2^+\) and LCAO
- Rotation and Vibration
- Molecular Transitions and Spectroscopy