给出了一种用变分法计算氦原子低激发态(电子 组态为1s2s,1s2p等)能量的具体方法，计算过程中解决了激发态波函数与基态波函数的正交 性，计算结果与实验值也相当接近.%Energy levels for the low-lying excited states of helium-l ike atom are calculated by using variational method,in which orthogonalization between the excited states and the ground state is explicitly considered.The cal culated result is in good agreement with the experimental date.
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机译：（2 i s / i sup 2 2 / sup sup 1 sup / sup i i S S / i）基态的能量的修正原子轨道计算， （2 p / i sup 2 / sup sup 1 sup / sup i D D / i））; （3 i d / i sup 2 2 // sup sup 1 s / sup i D D / i）和（4 i f / i ; sup 2 / sup 1 sup I 1 / i）氦等电子序列从H sup-/ sup产生的双激发态。至Ca s 18 18的/ sup。
