题目内容
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[判断题]
Alexander Hamilton is the second Secretary of Treasure of the United States.()
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Hamilton is expected to______.
A.show more kindness
B.discontinue the present practice
C.quit being the organizer for gift giving
D.know more about co-workers" families
How many times has Hamilton collected contributions for the last month?
A.Six times.
B.Nine times.
C.Twelve times.
D.Thirteen times.
A.has skated
B.has been skating
C.both possible
设体系的Hamilton量为H0时,基态能级和波函数为E0,ψ0.设体系受到微扰H'作用,Hamilton量变成H=H0+H'.取基态试探波函数为
(1)
λ为变分参数.试用变分法求H的基态能级上限,计算中保留二级小量.略去三级小量.
A.Sparta
B.Rome
C.Macedonia
D.Athens
有一个量子力学体系,Hamilton量记为H'0,能级和正交归一化的本征函数为
,
设体系受到微扰作用,微扰后的Hamilton量可以表示成下列矩阵形式(H0表象):
(1)
设无偶然简并,试用二级微扰论计算体系能级.