For a harmonic oscillator the energy levels are evenly spaced. 對諧振子來說,能級是等間隔的。
We also find that the confinement may cause accidental degeneracies between levels with different quantum numbers and the inversion of the energy values. 我們還發現限制可以引起不同低激發態能級的偶然簡併和能級的反轉。