Editing State of matter (section)

===Bose–Einstein condensate===
[[Image:Bose Einstein condensate.png|right|thumb|Velocity in a gas of [[rubidium]] as it is cooled: the starting material is on the left, and Bose–Einstein condensate is on the right.]]
{{Main|Bose–Einstein condensate}}
In 1924, [[Albert Einstein]] and [[Satyendra Nath Bose]] predicted the "Bose–Einstein condensate" (BEC), sometimes referred to as the fifth state of matter. In a BEC, matter stops behaving as independent particles, and collapses into a single quantum state that can be described with a single, uniform wavefunction.

In the gas phase, the Bose–Einstein condensate remained an unverified theoretical prediction for many years. However in 1995, the research groups of [[Eric Cornell]] and [[Carl Wieman]], of [[JILA]] at the [[University of Colorado at Boulder]], produced the first such condensate experimentally. A Bose–Einstein condensate is "colder" than a solid. It may occur when atoms have very similar (or the same) [[Energy level|quantum levels]], at temperatures very close to [[absolute zero]], {{convert|−273.15|C|F}}.