Stuttgart 2012 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 35: Poster 2

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 Juzeliunas11Institute 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 [1]. 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. [1] J. Dalibard, F. Gerbier, G.Juzeliunas, and P.Ohberg. Artificial gauge potentials for neutral atoms. Rev. Mod. Phys. 83 1523 (2011).

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