单项选择题
A.S+=S- B.S+=S* C.S-=S D.S*=S-
A.自旋单态; B.自旋反对称态; C.自旋三态; D.σz本征值为1.
A.1/2N(N+1) B.1/2(N+1)(N+2) C.N(N+1) D.(N+1)(n+2)