Skyrmion Ground States of Rapidly Rotating Few-Fermion Systems

@article{Palm2020SkyrmionGS,
  title={Skyrmion Ground States of Rapidly Rotating Few-Fermion Systems},
  author={Luk{\'a}{\vs} Palm and F. Grusdt and P. Preiss},
  journal={arXiv: Quantum Gases},
  year={2020}
}
We show that ultracold fermions in an artificial magnetic field open up a new window to the physics of the spinful fractional quantum Hall effect. We numerically study the lowest energy states of strongly interacting few-fermion systems in rapidly rotating optical microtraps. We find that skyrmion-like ground states with locally ferromagnetic, long-range spin textures emerge. To realize such states experimentally, rotating microtraps with higher-order angular momentum components may be used to… Expand

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