Directed transport in driven optical lattices by phase generation

Details Directed transport in driven optical lattices by phase generation Directed transport in driven optical lattices by phase generation

2011-03-15

arxiv.org/abs/1103.2888v2

Phys. Rev. A 84, 023630 (2011)

Physics

Condensed Matter

Quantum Gases

4.1 pages, 4 eps figures. Minor changes, to be published in Phys. Rev. A

Scientific paper

10.1103/PhysRevA.84.023630

We examine the dynamics of ultracold atoms held in optical lattice potentials. By controlling the switching of a periodic driving potential we show how a phase-induced renormalization of the intersite tunneling can be used to produce directed motion and control wavepacket spreading. We further show how this generation of a synthetic gauge potential can be used to split and recombine wavepackets, providing an attractive route to implementing quantum computing tasks.

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