" If you decide you don't have to get A's, you can learn an enormous amount in college."

-- Isidor Isaac Rabi

David Tong: Concepts in Theoretical Physics

These lectures provide bite sized introductions to a handful of topics in theoretical physics, aimed at first year undergraduates. Presentations can be downloaded below.

Contents

• Principle of Least Action:   PDF File
  Principle of least action, Unification of physics, Feynman's path integral formulation of quantum mechanics.
• Quantum Mechanics   PDF File
  Applications of Quantum Mechanics, The Principle of Superposition, Eigenvalue Equations and Probability, Entanglement.
• Particle Physics   PDF File
  Fundamental Particles, Antiparticles, Fundamental Forces, QCD and Confinement of Quarks, Higgs Boson, LHC.
• General Relativity   PDF File
  Equivalence Principle, Light Bending, Gravitational Redshift and Time Dilation, Gravity as Geometry, Schwarzschild solution, Geodesic motion as orbits.
• Cosmology   PDF File
  Composition of the Universe. History of the universe, Friedmann equations. Cosmic Microwave Background and density perturbations. Singularity problem, Quantum gravity.