Gorshkov A V, Rabl P, Pupillo G, Micheli A, Zoller P, Lukin M D, Büchler H P
Physics Department, Harvard University, Cambridge, Massachusetts 02138, USA.
Phys Rev Lett. 2008 Aug 15;101(7):073201. doi: 10.1103/PhysRevLett.101.073201. Epub 2008 Aug 14.
We propose and analyze a technique that allows one to suppress inelastic collisions and simultaneously enhance elastic interactions between cold polar molecules. The main idea is to cancel the leading dipole-dipole interaction with a suitable combination of static electric and microwave fields in such a way that the remaining van der Waals-type potential forms a three-dimensional repulsive shield. We analyze the elastic and inelastic scattering cross sections relevant for evaporative cooling of polar molecules and discuss the prospect for the creation of stable crystalline structures.
我们提出并分析了一种技术，该技术能够抑制非弹性碰撞，同时增强冷极性分子之间的弹性相互作用。其主要思想是通过静电场和微波场的适当组合来抵消主导的偶极 - 偶极相互作用，使得剩余的范德华型势形成一个三维排斥屏蔽。我们分析了与极性分子蒸发冷却相关的弹性和非弹性散射截面，并讨论了创建稳定晶体结构的前景。
