Laser cooling & magneto-optical trap

Layer 1 — Physicsin the atomic-physics subtree

Doppler cooling + polarization-gradient sub-Doppler. MOT combines confining B + 3D beams. Cohen-Tannoudji/Chu/Phillips Nobel 1997. Enables BEC, atomic clocks.

Related concepts

Zeeman effect
Optical lattice clocks
Bose-Einstein condensate
Optical-lattice clock at the magic wavelength: cancels AC Stark for |g⟩ and |e⟩
Doppler cooling limit: T_D = ℏΓ/(2 k_B) (Hansch-Schawlow 1975)

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