Claude Cohen-Tannoudji (born 1 April 1933) is a French physicist at the Ecole normale superieure in Paris. He is known for his experiments in laser cooling, and was the first to show it is possible to cool atoms far beyond the limit expected by sub-Doppler cooling, below the recoil temperature. He shared the 1997 Nobel Prize in Physics with Steven Chu and William Daniel Phillips for research in methods of laser cooling and trapping atoms.
Sources
Claude Cohen-Tannoudji (Wikipedia)
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