Universal rates for reactive ultracold polar molecules in reduced dimensions

Details Universal rates for reactive ultracold polar molecules in reduced dimensions Universal rates for reactive ultracold polar molecules in reduced dimensions

2010-04-29

arxiv.org/abs/1004.5420v1

Phys. Rev. Lett. 105, 073202 (2010)

Physics

Atomic Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.105.073202

Analytic expressions describe universal elastic and reactive rates of quasi-two-dimensional and quasi-one-dimensional collisions of highly reactive ultracold molecules interacting by a van der Waals potential. Exact and approximate calculations for the example species of KRb show that stability and evaporative cooling can be realized for spin-polarized fermions at moderate dipole and trapping strength, whereas bosons or unlike fermions require significantly higher dipole or trapping strengths.

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