Massachusetts Institute of Technology

Department of Physics

Physics 8.04 Tue Oct 10 16:52:48 EDT 1995

Quantum Physics I, Spring 1995

Lecture Notes for Black Body/Cavity Radiation

• The Experiment
• Results
• Analysis
  • Connecting with
  • Counting the modes
    • : How many modes have frequency less than ?
    • : How many modes/volume in the interval .
  • : the average energy per mode.
    • The average energy of a two-level system
    • The average energy of a ``continuous'' electromagnetic mode
    • The average energy of a ``continuous'' electromagnetic mode
    • The average energy under Planck's Hypothesis
• Putting it all together
• About this document ...

Postscript Version