Spin Hall effects for cold atoms in a light induced gauge potential

Details Spin Hall effects for cold atoms in a light induced gauge potential Spin Hall effects for cold atoms in a light induced gauge potential

2006-07-05

arxiv.org/abs/cond-mat/0607127v2

Phys. Rev. Lett. 97, 240401 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages; The published version

Scientific paper

10.1103/PhysRevLett.97.240401

We propose an experimental scheme to observe spin Hall effects with cold atoms in a light induced gauge potential. Under an appropriate configuration, the cold atoms moving in a spatially varying laser field experience an effective spin-dependent gauge potential. Through numerical simulation, we demonstrate that such a gauge field leads to observable spin Hall currents under realistic conditions. We also discuss the quantum spin Hall state in an optical lattice.

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