Steven Chu is an American physicist and Nobel laureate known for his work in the fields of physics and energy. He was born on February 28, 1948. Chu is particularly renowned for his research in laser cooling and trapping of atoms, for which he received the Nobel Prize in Physics in 1997, shared with Claude Cohen-Tannoudji and William D. Phillips.
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Experimental atomic physics and laser cooling.
Official profile: physics.stanford.edu/nobel-prize-physics-1997-steven-chu
Portrait of Steven Chu
. United States Department of Energy; individual photographer not identified. Public domain in the United States as a federal employee’s official-duty work. Source usage terms, via Wikimedia Commons. Source.