Friday, June 8, 2012

1112.6022 (Brandon M. Anderson et al.)

Synthetic 3D Spin-Orbit Coupling    [PDF]

Brandon M. Anderson, Gediminas Juzeliūnas, Ian B. Spielman, Victor M. Galitski
We describe a method for creating a three-dimensional analogue to Rashba spin-orbit coupling in systems of ultracold atoms. This laser induced coupling uses Raman transitions to link four internal atomic states with a tetrahedral geometry, and gives rise to a Dirac point that is robust against environmental perturbations. We present an exact result showing that such a spin-orbit coupling in a fermionic system always rise to a molecular bound state.
View original: http://arxiv.org/abs/1112.6022

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