Quantum simulation of ( 1 + 1 )-dimensional U(1) gauge-Higgs model on a lattice by cold Bose gases

@article{Kuno2017QuantumSO,
  title={Quantum simulation of ( 1 + 1 )-dimensional U(1) gauge-Higgs model on a lattice by cold Bose gases},
  author={Yoshihito Kuno and Shinya Sakane and Kenichi Kasamatsu and Ikuo Ichinose and Tetsuo Matsui},
  journal={Physical Review D},
  year={2017},
  volume={95},
  pages={094507}
}
We present a theoretical study of quantum simulations of ($1+1$)-dimensional U(1) lattice gauge-Higgs models, which contain a compact U(1) gauge field and a Higgs matter field, by using ultracold bosonic gases on a one-dimensional optical lattice. Starting from the extended Bose-Hubbard model with on-site and nearest-neighbor interactions, we derive the U(1) lattice gauge-Higgs model as a low-energy effective theory. The derived gauge-Higgs model exhibits nontrivial phase transitions between… 
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