Revealing hidden antiferromagnetic correlations in doped Hubbard chains via string correlators

@article{Hilker2017RevealingHA,
  title={Revealing hidden antiferromagnetic correlations in doped Hubbard chains via string correlators},
  author={Timon A Hilker and Guillaume Salomon and Fabian Grusdt and Ahmed Omran and Martin Boll and Eugene A. Demler and Immanuel Bloch and Christian Gross},
  journal={Science},
  year={2017},
  volume={357},
  pages={484 - 487}
}
Spin-charge separation in atomic chains Strongly interacting electrons lined up along a string can experience the so-called spin-charge separation, where the electrons “split” into effective carriers of spin and charge, which then move independently. This phenomenon has been observed, somewhat indirectly, in solids. Hilker et al. show spin-charge separation in a direct way by using a one-dimensional (1D) array of cold atoms, playing the role of electrons, whose degrees of freedom of spin and… 

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