低于1K的浸没壳层原子的自旋交换碰撞
Spin-exchange collisions of submerged shell atoms below 1 Kelvin
摘要：
原子的价电子被淹没在高主量子数的填充壳层之下时，角动量变化碰撞可以被抑制。为了确定自旋交换碰撞是否在这些“淹没壳”原子中被抑制，我们在低于1 K的温度下测量了Mn的六个超精细态的自旋交换碰撞。虽然Mn中的3d价电子被淹没在一个充满的4s轨道之下，我们发现自旋交换速率系数与Na和H（它们是非淹没的壳原子）的自旋交换速率系数相似。
英文摘要：
Angular momentum changing collisions can be suppressed in atoms whose valence electrons are submerged beneath filled shells of higher principle quantum number. To determine whether spin-exchange collisions are suppressed in these "submerged shell" atoms, we measured spin-exchange collisions of six hyperfine states of Mn at temperatures below 1 K. Although the 3d valence electrons in Mn are submerged beneath a filled 4s orbital, we find that the spin exchange rate coefficients are similar to those of Na and H (which are non-submerged shell atoms).
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