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

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

2010-08-14

arxiv.org/abs/1008.2444v2

Phys. Rev. A 82, 044701 (2010)

Physics

Condensed Matter

Quantum Gases

4 pages, 3 figures

Scientific paper

10.1103/PhysRevA.82.044701

Low-energy two-dimensional scattering is particularly sensitive to the existence and properties of weakly-bound states. We show that interaction potentials $V(r)$ with vanishing zero-momentum Born approximation $\int d^2r V(r)=0$ lead to an anomalously weak bound state which crucially modifies the two-dimensional scattering properties. This anomalous case is especially relevant in the context of polar molecules in bilayer arrangements.

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