Mean-field Dynamics of Spin-Orbit Coupled Bose-Einstein Condensates
arXiv:1102.4045 · doi:10.1103/PhysRevLett.108.035302
Abstract
Spin-orbit coupling (SOC), the interaction between the spin and momentum of a quantum particle, is crucial for many important condensed matter phenomena. The recent experimental realization of SOC in neutral bosonic cold atoms provides a new and ideal platform for investigating spin-orbit coupled quantum many-body physics. In this Letter, we derive a generic Gross-Pitaevskii equation as the starting point for the study of many-body dynamics in spin-orbit coupled Bose-Einstein condensates. We show that different laser setups for realizing the same SOC may lead to different mean field dynamics. Various ground state phases (stripe, phase separation, etc.) of the condensate are found in different parameter regions. A new oscillation period induced by the SOC, similar to the Zitterbewegung oscillation, is found in the center of mass motion of the condensate.
5 pages, 4 figures, accepted for publication in Phys. Rev. Lett
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- Experimental realization of a two-dimensional synthetic spin-orbit coupling in ultracold Fermi gases
- Topological quantum matter with cold atoms
- Observation of Zitterbewegung in a spin-orbit coupled Bose-Einstein condensate
- The creation of two-dimensional composite solitons in spin-orbit-coupled self-attractive Bose-Einstein condensates in free space
- Realization of 2D Spin-orbit Interaction and Exotic Topological Orders in Cold Atoms
- Bright solitons in spin-orbit-coupled Bose-Einstein condensates
- Vortex solitons: Old results and new perspectives
- The spin Hall effect in a quantum gas
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- Gap solitons in the spin-orbit coupled Bose-Einstein condensates
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- Direct observation of zitterbewegung in a Bose-Einstein condensate
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- Anisotropic dynamics of a spin-orbit coupled Bose-Einstein condensate
- Unconventional states of bosons with synthetic spin-orbit coupling
- Experimental observation of a topological band gap opening in ultracold Fermi gases with two-dimensional spin-orbit coupling
- Manipulating Topological Edge Spins in One-Dimensional Optical Lattice
- Multidimensional solitons: Well-established results and novel findings
- Vortex solitons in two-dimensional spin-orbit coupled Bose-Einstein condensates: effects of the Rashba-Dresselhaus coupling and the Zeeman splitting
- Exotic superfluidity in spin-orbit coupled Bose-Einstein condensates
- Magnetic phases of bosons with synthetic spin-orbit coupling in optical lattices
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- Meron Ground State of Rashba Spin-Orbit-Coupled Dipolar Bosons
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- Interaction Induced Hall Response in a Spin-Orbit Coupled Bose-Einstein Condensate
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- Spin-orbit-coupled Bose-Einstein condensates held under toroidal trap
- Odd-petal states and persistent flows in spin-orbit-coupled Bose-Einstein condensates
- Experimental realization of a superfluid stripe phase in a spin-orbit-coupled Bose-Einstein condensate enabled by momentum-space hopping
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- Tunable spin-orbit coupled Bose-Einstein condensates in deep optical lattices
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- On stable solitons and interactions of the generalized Gross-Pitaevskii equation with PT-and non-PT-symmetric potentials
- Mott-Superfluid Transition for Spin-Orbit Coupled Bosons in One-Dimensional Optical Lattices
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- Ground states of dipolar spin-orbit-coupled Bose-Einstein condensates in a toroidal trap
- Topological defects in rotating spin-orbit-coupled dipolar spin-1 Bose-Einstein condensates
- Adiabatic state preparation of stripe phases with strongly magnetic atoms
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- Spin-sensitive atom mirror via spin-orbit interaction
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- Dynamical Zeeman resonance in spin-orbit-coupled spin-1 Bose gases
- Patterning by dynamically unstable spin-orbit-coupled Bose-Einstein condensates
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