Microsoft Word - part1.doc0. 1924 6 [1] 1921 1. Bose-Einstein Condensation BEC 1925 BEC 1925 1995 BEC BEC 2. - - 19 1900 h h 1905 h 1923 X X X h h /c c 1924 =c / 1kg 1m/s p=1 kg m/s h=6.63 10-34 J s =6.63 10-34 m 1 =10-10 m 10-14 m T m (1/2) m v2 = (3/2) k T T k p= 3m k T T=1K 3. =6.02 1023 1023 1023 (1) λ = h mk T 3 19 m T T v = m v2 / 2 exp(- / kT) 3kT /2 exp(- / kT) 1924 A B a b [2] 1/2 a b (1) A B a (2) A B b (3) A a B
