Two-dimensional scattering and bound states of polar molecules in bilayers

Year: 2010

Authors: Klawunn M., Pikovski A., Santos L.

Autors Affiliation: Leibniz Univ Hannover, Inst Theoret Phys, D-30167 Hannover, Germany; Univ Trento, INO CNR BEC Ctr, I-38123 Povo, Italy; Univ Trento, Dipartimento Fis, I-38123 Povo, Italy.

Abstract: Low-energy two-dimensional scattering is particularly sensitive to the existence and the properties of weakly bound states. We show that interaction potentials V(r) with the vanishing zero-momentum Born approximation integral dr rV (r) = 0 leads to an anomalously weak bound state that crucially modifies the two-dimensional scattering properties. This anomalous case is especially relevant in the context of polar molecules in bilayer arrangements.

Journal/Review: PHYSICAL REVIEW A

Volume: 82 (4)      Pages from: 44701-1  to: 44701-4

More Information: We thank A. Recati and G. V. Shlyapnikov for helpful discussions. We acknowledge the support of the DFG (QUEST Cluster of Excellence).
KeyWords: Energy; Observables; Layers
DOI: 10.1103/PhysRevA.82.044701

Citations: 66
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