evaporative cooling Published 5 June, 2013 at 320 × 240 in Is that BEC in your laser-cooled magnetic trap, or are you just happy to see me? As the temperature drops, the atoms suddenly collapse into a different state of matter, Bose-Einstein condensate (BEC) from the University of Colorado Physics 2000 web portal. http://www.colorado.edu/physics/2000/bec/