Chapter 9 Statistics

1
Chapter 9 Statistics

• Maxwell-Boltzman
• Bose-Einstein
• Fermi-Dirac

2
Distribution functions
3
Photon-Atom interactions
also phosphorescence
e
e-
Pair production
4
Lasers population inversion
3-state
4-state
He-Ne laser continuous wave
Ruby laser pulsed
5
Lasers cavity
6
Superfluid liquid helium (HeII)
7
Superfluid effects
8
Bose-Einstein condensates
9
Fermi-Dirac distribution