Soliton Magnetization Dynamics in Spin-Orbit Coupled Bose-Einstein Condensates

Details Soliton Magnetization Dynamics in Spin-Orbit Coupled Bose-Einstein Condensates Soliton Magnetization Dynamics in Spin-Orbit Coupled Bose-Einstein Condensates

2012-03-29

arxiv.org/abs/1203.6684v1

Physics

Condensed Matter

Quantum Gases

3 figures, 5 pages

Scientific paper

Ring-trapped Bose-Einstein condensates subject to spin-orbit coupling support localized dark soliton excitations that show periodic density dynamics in real space. In addition to the density feature, solitons also carry a localized pseudo-spin magnetization that exhibits a rich and tunable dynamics. Analytic results for Rashba-type spin-orbit coupling and spin-invariant interactions predict a conserved magnitude and precessional motion for the soliton magnetization that allows for the simulation of spin-related geometric phases recently seen in electronic transport measurements.

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