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Ian B. Spielman, Brandon Anderson, Gediminas Juzeliunas, Victor Galitski
Abstract
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 gives rise to a molecular bound state.
Spielman, I.
, Anderson, B.
, Juzeliunas, G.
and Galitski, V.
(2012),
Synthetic 3D Spin-Orbit Coupling, Physical Review Letters
(Accessed December 11, 2023)