期刊
PHYSICAL REVIEW A
卷 79, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.79.050701
关键词
atom-photon collisions; molecule-photon collisions; optical lattices; trapped ions
资金
- NSERC of Canada
We present a formalism for rigorous calculations of cross sections for inelastic and reactive collisions of ultracold atoms and molecules confined by laser fields in quasi-two-dimensional geometry. Our results show that the elastic-to-inelastic ratios of collision cross sections are enhanced in the presence of a laser confinement and that the threshold energy dependence of the collision cross sections can be tuned by varying the confinement strength and external magnetic fields. The enhancement of the elastic-to-inelastic ratios is inversely proportional to epsilon/h omega(0), where epsilon is the kinetic energy and omega(0) is the oscillation frequency of the trapped particles in the confinement potential.
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