Stuttgart 2012 – wissenschaftliches Programm
Q 35.18: Poster
Mittwoch, 14. März 2012, 16:30–19:00, Poster.I+II
Position-dependent spin-orbit coupling for ultracold atoms — •Simonas Grubinskas1, Ian Spielman2, and Gediminas Juzeliunas1 — 1Institute of Theoretical Physics and Astronomy, Vilnius University, A. Goštauto 12, LT-01108 Vilnius, Lithuania — 2Joint Quantum Institute, National Institute of Standards and Technology, and University of Maryland, Gaithersburg, Maryland, 20899, USA
Recently several schemes have been proposed to create the spin-orbit coupling (SOC) of the Rashba-Dresselhaus (RD) type for ultracold atoms illuminated by several laser beams . This leads to numerous interesting phenomena such as a non-conventional atomic Bose-Einstein condensation for ultracold atoms affected by the SOC. Here we explore effects due to the position-dependence of the spatial profiles of the laser fields inducing the SOC. We show that the spatial-dependent laser beams can provide the Lorentz force in additional to the SOC. Subsequently we analyze a combined action of the contributions due to the Lorentz force and the SOC.  J. Dalibard, F. Gerbier, G.Juzeliunas, and P.Ohberg. Artificial gauge potentials for neutral atoms. Rev. Mod. Phys. 83 1523 (2011).