光缔合驱动超流性
Driving superfluidity with photoassociation
摘要:
我们从理论上研究了双组分费米简并气体的光缔合。我们的重点是调整原子-原子相互作用,从而提高BCS向超流态转变的临界温度。为了避免分子的自发衰变,光缔合光必须是远离共振的。因此,需要非常高的光强度来有效控制BCS转变。
英文摘要:
We theoretically examine photoassociation of a two-component Fermi degenerate gas. Our focus is on adjusting the atom-atom interaction, and thereby increasing the critical temperature of the BCS transition to the superfluid state. In order to avoid spontaneous decay of the molecules, the photoassociating light must be far-off resonance. Very high light intensities are therefore required for effective control of the BCS transition.
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