Conservation of charge and momentum

Special Relativity and Electrodynamics (Spring, 2008)

Lecture Playlist

  1. Inertial reference frames

  2. Principle of least action

  3. Invariance of the laws of nature

  4. Lagrangian mechanics

  5. Conservation of charge and momentum

  6. Relativistic wave equation and conservation laws

  7. Invariance under gauge transformations

  8. Gauge theory

May 12, 2008
Two ideas of momentum:  Mechanical and canonical.
Conservation of momentum and energy in field theory.
Interaction of fields and particles, mechanical momentum vs. canonical momentum.
Invariance under a phase transformation implies conserved electric charge.
Topics: 
  • Conservation of momentum
  • Invariance and conservation of charge
References