The Lattice Fermi Surface

Details The Lattice Fermi Surface The Lattice Fermi Surface

2001-10-08

arxiv.org/abs/hep-lat/0110019v1

Nucl.Phys. A702 (2002) 206-210

Physics

High Energy Physics

High Energy Physics - Lattice

5 pages, 5 figures, contribution to "Statistical QCD", Bielefeld, 26th-30th August 2001

Scientific paper

10.1016/S0375-9474(02)00707-8

The Nambu - Jona-Lasinio model in 2+1 dimensions is simulated for non-zero baryon chemical potential with a diquark source term. No evidence for a BCS condensate or gap is seen at high density; rather, critical behaviour with novel exponents is observed, suggesting that 2d superfluidity as first described by Kosterlitz and Thouless is realised, but with the universality class determined by the presence of relativistic fermions.

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