Decoupling in the one-dimensional frustrated quantum XY model and Josephson-junction ladders: Ising critical behavior.

@article{Granato1993DecouplingIT,
  title={Decoupling in the one-dimensional frustrated quantum XY model and Josephson-junction ladders: Ising critical behavior.},
  author={Granato},
  journal={Physical review. B, Condensed matter},
  year={1993},
  volume={48 10},
  pages={
          7727-7730
        }
}
  • Granato
  • Published 29 July 1993
  • Physics
  • Physical review. B, Condensed matter
A generalization of the one-dimensional frustrated quantum $\mathrm{XY}$ model is considered in which the interchain and intrachain coupling constants of the two infinite $\mathrm{XY}$ (planar rotor) chains have different strengths. The model can describe the superconductor to insulator transition due to charging effects in a ladder of Josephson junctions in a magnetic field with half a flux quantum per plaquette. From a fluctuation-effective action, this transition is expected to be in the… 
Phase transitions in the one‐dimensional frustrated quantum XY model and Josephson‐junction ladders
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TLDR
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