研究了磁场下量子点中二电子系统的低激发态能谱，考察了电子-声子相互作用对能谱的影响。

The low-lying spectra of a quantum dot, where the two electrons interact with each other under a magnetic field, and the effect of electron-phonon interactions to the spectra are discussed.

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采用量子化学从头算CASSCF和CASPT 2方法对邻氯甲苯在低激发态上的光解机理进行了理论研究。

The photodissociation mechanism of o-chlorotoluene on the low-lying electronic states has been investigated with the use of the CASSCF and CASPT2 techniques.

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当这些原子与中性体系相互作用时，是远不同于处在基态或者是低激发态的原子与中性体系之间的作用时所展现出来的一些性质的。

And the properties of these atoms are quite different from that of atoms in the ground or lower excited states when they interact with the atoms and molecules.

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So, what we know is happening is that were having transitions from some excited states to a more relaxed lower, more stable state in the hydrogen atom.

我们知道，这里所发生的是,氢原子从激发态到更低更稳定的态的跃迁，而我们用眼睛可以探测到的。

麻省理工公开课 - 化学原理课程节选