Eight state supersymmetric $U$ model of strongly correlated fermions

Details Eight state supersymmetric $U$ model of strongly correlated fermions Eight state supersymmetric $U$ model of strongly correlated fermions

1997-09-11

arxiv.org/abs/cond-mat/9709129v2

Phys.Rev. B57 (1998) 9498--9501

Physics

Condensed Matter

Strongly Correlated Electrons

Some cosmetic changes; to appear in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.57.9498

An integrable eight state supersymmtric $U$ model is proposed, which is a
fermion model with correlated single-particle and pair hoppings as well as
uncorrelated triple-particle hopping. It has an $gl(3|1)$ supersymmetry and
contains one symmetry-preserving free parameter. The model is solved and the
Bethe ansatz equations are obtained.

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