Influence of magnetic fields on cold collisions of polar molecules

Details Influence of magnetic fields on cold collisions of polar molecules Influence of magnetic fields on cold collisions of polar molecules

2004-10-04

arxiv.org/abs/physics/0410023v1

Phys. Rev. A 71, 22709 (2005)

Physics

Atomic Physics

Scientific paper

10.1103/PhysRevA.71.022709

We consider cold collisions of OH molecules in the $^2\Pi_{3/2}$ grounds state, under the influnce of a magnetic field. We find that modest fields of several thousand gauss can act to suppress inelastic collisions of weak-field seeking states by two orders of magnitude. We attribute this suppression to two factors: (i) An indirect coupling of the entrance and the exit channel, in contrast to the effect of an applied electric field; and (ii) the realtive motion of the entrance and exit scattering thresholds. In view of these results, magnetic trapping of OH may prove feasible.

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