Realistic Shortcuts to Adiabaticity in Optical Transfer

Abstract

Shortcuts to adiabaticity (STA) are techniques allowing rapid variation of the system Hamiltonian without inducing excess heating. Fast optical transfer of atoms between different locations is a prime example of an STA application. We show that the boundary conditions on the atomic position, which are imposed to find the STA trajectory, lead to highly non-practical boundary conditions for the optical trap. Our experimental results demonstrate that, as a result, previously suggested STA trajectories generally do not perform well. We develop and demonstrate two complementary methods that solve the boundary conditions problem and allow the construction of realistic and flexible STA movements. Our technique can also account for non-harmonic terms in the confining potential.

arXiv comment23 pages, 8 figures

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