Tailoring of motional states in double-well potentials by time-dependent processes

Details Tailoring of motional states in double-well potentials by time-dependent processes Tailoring of motional states in double-well potentials by time-dependent processes

2006-06-26

arxiv.org/abs/physics/0606223v2

Phys. Rev. A 74, 043404 (2006)

Physics

Atomic Physics

9 pages, 11 figures, 25 references; accepted to PRA; v2: minor explanatory remarks added & typos corrected

Scientific paper

10.1103/PhysRevA.74.043404

We show that the vibrational state tailoring method developed for molecular systems can be applied for cold atoms in optical lattices. The original method is based on a three-level model interacting with two strong laser pulses in a counterintuitive sequence [M. Rodriguez et al., Phys. Rev. A 62, 053413 (2000)]. Here we outline the conditions for achieving similar dynamics with single time-dependent potential surfaces. It is shown that guided switching between diabatic and adiabatic evolution has an essential role in this system. We also show that efficient and precise tailoring of motional states in optical lattices can be achieved, for instance, simply by superimposing two lattices and moving them with respect to each other.

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