1995
Atomic  


The new state of matter is achieved for trapped atoms.

The new state of matter is achieved for trapped atoms. In 1924-25, the Indian physicist Satyendra Nath Bose & Albert Einstein predicted that extremely cold atoms would condense into a single quantum state. In 1995, a team under the direction of the American physicists Eric Cornell & Carl Wieman trap a cloud of 2,000 metallic atoms cooled to less than a millionth of a degree above absolute zero, producing a Bose-Einstein condensate. This accomplishment leads to the construction of an atom laser in 1997, (Left to right, the approach to condensation: The spread of temperatures in the cloud is represented by the width of the hill, which shrinks as more atoms join the developing condensate).
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