Optical Kagome lattice for ultra-cold atoms with nearest neighbor interactions

Details Optical Kagome lattice for ultra-cold atoms with nearest neighbor interactions Optical Kagome lattice for ultra-cold atoms with nearest neighbor interactions

2009-06-16

arxiv.org/abs/0906.3042v1

Phys. Rev. Lett. 103 (2009) 080406

Physics

Condensed Matter

Quantum Gases

Scientific paper

We propose a scheme to implement an optical Kagome lattice for ultra-cold atoms with controllable s-wave interactions between nearest neighbor sites and a gauge potential. The atoms occupy three different internal atomic levels with electromagnetically-induced coupling between the levels. We show that by appropriately shifting the triangular lattice potentials, experienced by atoms in different levels, the Kagome lattice can be realized using only two standing waves, generating a highly frustrated quantum system for the atoms.

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