Universality at work -- the local sine-Gordon model, lattice fermions, and quantum circuits

@inproceedings{Anthore2019UniversalityAW,
  title={Universality at work -- the local sine-Gordon model, lattice fermions, and quantum circuits},
  author={Anne Anthore and D. M. Kennes and Edouard Boulat and Sabine Andergassen and F. Pierre and Volker Meden},
  year={2019}
}
  • Anne Anthore, D. M. Kennes, +3 authors Volker Meden
  • Published 2019
  • Physics
  • We review the intriguing many-body physics resulting out of the interplay of a single, local impurity and the two-particle interaction in a one-dimensional Fermi system. Even if the underlying homogeneous correlated system is taken to be metallic, this interplay leads to an emergent quantum phase transition between metallic and insulating states. We show that the zero temperature critical point and the universal low-energy physics associated to it, is realized in two different models, the field… CONTINUE READING

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