Evidence for Deviations from Fermi-liquid Behaviour in (2+1)-dimensional Quantum Electrodynamics and the Normal Phase of High-t C Superconductors

@inproceedings{Aitchison1996EvidenceFD,
  title={Evidence for Deviations from Fermi-liquid Behaviour in (2+1)-dimensional Quantum Electrodynamics and the Normal Phase of High-t C Superconductors},
  author={J. R. Aitchison and Nick E. Mavromatos},
  year={1996}
}
We provide evidence that the gauge-fermion interaction in multiflavour quantum elec-trodynamics in (2 + 1)-dimensions is responsible for non-fermi liquid behaviour in the infrared, in the sense of leading to the existence of a non-trivial (quasi) fixed point (cross-over) that lies between the trivial fixed point (at infinite momenta) and the region where dynamical symmetry breaking and mass generation occurs. This quasi-fixed point structure implies slowly varying, rather than fixed, couplings… CONTINUE READING
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