使用摆动的里德伯蝴蝶分子的各向异性阻断
Anisotropic blockade using pendular Rydberg butterfly molecules
摘要：
我们提出了一个实验，以证明一种新的封锁机制所造成的长程各向异性相互作用的超冷偶极气体组成的最近观察到的“蝴蝶”里德伯分子。在阻断半径下，两个相邻分子之间的强分子间相互作用使它们的分子状态与光缔合激光脱离共振，从而防止它们同时激发。当分子在准一维（Q1D）阱中制备时，相互作用的强度可以通过弱外场来调节。因此，分子密度强烈地依赖于陷阱轴和场之间的角度。可用的里德伯态和分子态提供了广泛的可调谐性。
英文摘要：
We propose an experiment to demonstrate a novel blockade mechanism caused by long-range anisotropic interactions in an ultracold dipolar gas composed of the recently observed "butterfly" Rydberg molecules. At the blockade radius, the strong intermolecular interaction between two adjacent molecules shifts their molecular states out of resonance with the photoassociation laser, preventing their simultaneous excitation. When the molecules are prepared in a quasi-one-dimensional (Q1D) trap, the interaction's strength can be tuned via a weak external field. The molecular density thus depends strongly on the angle between the trap axis and the field. The available Rydberg and molecular states provide a wide range of tunability.
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