Question

what is bose -Einstein condensate?​

Answer 1

Bose Einstein condensate is a very low temperature a fifth state can also exsist ( BEC ) ..

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Answer 2

Bose-Einstein condensate (BEC), a state of matter in which separate atoms or subatomic particles, cooled to near absolute zero (0 K, − 273.15 °C, or − 459.67 °F; K = kelvin), coalesce into a single quantum mechanical entity—that is, one that can be described by a wave function—on a near-macroscopic scale.