Spin-orbit coupling and Berry phase with ultracold atoms in 2D optical lattices

Details Spin-orbit coupling and Berry phase with ultracold atoms in 2D optical lattices Spin-orbit coupling and Berry phase with ultracold atoms in 2D optical lattices

2003-11-14

arxiv.org/abs/cond-mat/0311356v2

Phys. Rev. Lett. 92, 153005 (2004).

Physics

Condensed Matter

Soft Condensed Matter

3 figures

Scientific paper

10.1103/PhysRevLett.92.153005

We show how spin-orbit coupling and Berry phase can appear in two-dimensional optical lattices by coupling atoms' internal degrees of freedom to radiation. The Rashba Hamiltonian, a standard description of spin-orbit coupling for two-dimensional electrons, is obtained for the atoms under certain circumstances. We discuss the possibility of observing associated phenomena, such as the anomalous Hall and spin Hall effects, with cold atoms in optical lattices.

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