Gauge protection in non-abelian lattice gauge theories

@article{Halimeh2022GaugePI,
  title={Gauge protection in non-abelian lattice gauge theories},
  author={Jad C. Halimeh and Haifeng Lang and Philipp Hauke},
  journal={New Journal of Physics},
  year={2022},
  volume={24}
}
Protection of gauge invariance in experimental realizations of lattice gauge theories based on energy-penalty schemes has recently stimulated impressive efforts both theoretically and in setups of quantum synthetic matter. A major challenge is the reliability of such schemes in non-abelian gauge theories where local conservation laws do not commute. Here, we show through exact diagonalization (ED) that non-abelian gauge invariance can be reliably controlled using gauge-protection terms that… 

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