广义热化定理 Generalized thermalization Almost all the pure states of the"Universe can give the Canonic Equilibrium State by tracing over the Environment S Popescu et al, Nature Physics 2, 754(2006) S Goldstein et al phys. Rev. Lett. 96, 050403(2006) C(n, n) E>=∑ n)8∏ (E, =1 =m(甲5X5aD=∑ D、(E-m,6) InXi D31(E,6) ITP Based on The Law of Large Numbers(大数定律)广义热化定理 Almost all the pure states of the “Universe ” can give the Canonic Equilibrium State by tracing over the Environment S. Popescu et al , Nature Physics 2, 754 (2006) S. Goldstein et al., Phys. Rev. Lett. 96, 050403 (2006) , , [ , ] 1 1 ( , ) | | | ( , ) j E N j E j n n j N C n n n n  D E  +  =   =      , , 1 ( , ) (| |) | | ( , ) N S B E E n N D E n Tr n n D E       + − =   =   Based on The Law of Large Numbers (大数定律) Generalized Thermalization