10. What is Bose- Einstein Condensate? How is it prepared?
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A Bose-Einstein condensate is a group of atoms cooled to within a hair of absolute zero. ... To make a Bose-Einstein condensate, you start with a cloud of diffuse gas. Many experiments start with atoms of rubidium. Then you cool it with lasers, using the beams to take energy away from the atoms.
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In condensed matter physics, a Bose–Einstein condensate is a state of matter which is typically formed when a gas of bosons at low densities is cooled to temperatures very close to absolute zero.A BEC is formed by cooling a gas of extremely low density (about one-hundred-thousandth (1/100,000) the density of normal air) to ultra-low temperatures
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