Recoil limit

Cooling below Recoil limit

Polarisation gradient cooling

Rabi oscillations

Dipole/rotating wave approximation

two level atom

electric dipole

classical electro magn. field

Detuning

Density matrix pure/mixed states

Spontaneous emission (decay rate)

Optical Bloch Equations

Inversion

Saturation parameter; Saturation intensity

Photon scattering rate