Department of Physics and JILA, University of Colorado, Boulder, Colorado 80309-0440, USA.
Phys Rev Lett. 2011 Dec 2;107(23):233201. doi: 10.1103/PhysRevLett.107.233201. Epub 2011 Nov 29.
Our present study of the universal physics for three oriented fermionic dipoles in the hyperspherical adiabatic representation predicts a single long-lived three-dipole state, which exists in only one three-body symmetry and forms near a two-dipole resonance. Our analysis reveals the spatial configuration of the universal state and the scaling of its binding energy and lifetime with the strength of the dipolar interaction. In addition, three-body recombination of fermionic dipoles is found to be important even at ultracold energies. An additional finding is that an effective long-range repulsion arises between a dipole and a dipolar dimer that is tunable via dipolar interactions.
我们目前在超球绝热表象中对三个有向费米子偶极子的通用物理进行的研究预测存在一个单一的长寿命三体状态，该状态仅存在于一个三体对称中，并在双偶极子共振附近形成。我们的分析揭示了通用状态的空间构型及其与偶极相互作用强度的结合能和寿命的标度。此外，即使在极低温能量下，费米子偶极子的三体复合也被发现是很重要的。另一个发现是，偶极子和偶极子二聚体之间会产生有效的远程排斥，这种排斥可以通过偶极相互作用进行调节。
