Optical Lattices, Ultracold Atoms and Quantum Information Processing

Details Optical Lattices, Ultracold Atoms and Quantum Information Processing Optical Lattices, Ultracold Atoms and Quantum Information Processing

2004-07-06

arxiv.org/abs/quant-ph/0407048v1

Physics

Quantum Physics

29 pages, review article, accepted for publication in Contemporary Physics

Scientific paper

10.1080/00107510410001705486

We review novel methods to investigate, control and manipulate neutral atoms in optical lattices. These setups allow unprecedented quantum control over large numbers of atoms and thus are very promising for applications in quantum information processing. After introducing optical lattices we discuss the superfluid (SF) and Mott insulating (MI) states of neutral atoms trapped in such lattices and investigate the SF-MI transition as recently observed experimentally. In the second part of the paper we give an overview of proposals for quantum information processing and show different ways to entangle the trapped atoms, in particular the usage of cold collisions and Rydberg atoms. Finally, we also briefly discuss the implementation of quantum simulators, entanglement enhanced atom interferometers, and ideas for robust quantum memory in optical lattices.

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