Competition and duality correspondence between chiral and superconducting channels in ( 2 + 1 )-dimensional four-fermion models with fermion number and chiral chemical potentials

@article{Ebert2016CompetitionAD,
  title={Competition and duality correspondence between chiral and superconducting channels in ( 2 + 1 )-dimensional four-fermion models with fermion number and chiral chemical potentials},
  author={Dietmar Ebert and Tamaz Khunjua and Konstantin Klimenko and Vladimir Ch. Zhukovsky},
  journal={Physical Review D},
  year={2016},
  volume={93},
  pages={105022-105023}
}
In this paper the duality correspondence between fermion-antifermion and difermion interaction channels is established in two ($2+1$)-dimensional Gross-Neveu\char21{}type models with a fermion number chemical potential $\ensuremath{\mu}$ and a chiral chemical potential ${\ensuremath{\mu}}_{5}$. The role and influence of this property on the phase structure of the models are investigated. In particular, it is shown that the chemical potential ${\ensuremath{\mu}}_{5}$ promotes the appearance of… 
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