Lattice Landau gauge photon propagator for 4D compact QED

@article{Loveridge2021LatticeLG,
  title={Lattice Landau gauge photon propagator for 4D compact QED},
  author={Lee C. Loveridge and Orlando Oliveira and Paulo J. Silva},
  journal={Physical Review D},
  year={2021},
  volume={103}
}
In this work we report on the Landau gauge photon propagator computed for pure gauge 4D compact QED in the confined and deconfined phases and for large lattices volumes: 32 4 , 48 4 and 96 4 . In the confined phase, compact QED develops mass scales that render the propagator finite at all momentum scales and no volume dependence is observed for the simulations performed. Furthermore, for the confined phase the propagator is compatible with a Yukawa massive type functional form. For the deconfined… 

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