Striped states in a many-body system of tilted dipoles
arXiv:1706.09388 · doi:10.1103/PhysRevA.96.053630
Abstract
We study theoretically and experimentally the behaviour of a strongly confined dipolar Bose-Einstein condensate, in the regime of quantum-mechanical stabilization by beyond-mean-field effects. Theoretically, we demonstrate that self-organized striped ground states are predicted in the framework of the extended Gross-Pitaevskii theory. Experimentally, by tilting the magnetic dipoles we show that self-organized striped states can be generated, likely in their metastable state. Matter-wave interference experiments with multiple stripes show that there is no long-range off-diagonal order (global phase coherence). We outline a parameter range where global phase coherence could be established, thus paving the way towards the observation of supersolid states in this system.
9 pages, 7 figures
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- Supersolidity in Two-Dimensional Trapped Dipolar Droplet Arrays
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- Quantum Criticality of Liquid-Gas Transition in a Binary Bose Mixture
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- New opportunites for interactions and control with ultracold lanthanides
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