Ginsparg-Wilson Relation and Spin Chains

Details Ginsparg-Wilson Relation and Spin Chains Ginsparg-Wilson Relation and Spin Chains

1998-09-15

arxiv.org/abs/hep-lat/9809108v1

Nucl.Phys.Proc.Suppl. 73 (1999) 682-684

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE98(chiral)

Scientific paper

10.1016/S0920-5632(99)85172-X

The Baxter 8-vertex model is equivalent to a particular lattice formulation of a self-interacting, massive Dirac fermion theory. In the time-continuum limit, the lattice Hamiltonian (XYZ spin chain) can be explicitly transformed to a lattice Dirac Hamiltonian. We show that the kernel describing the quadratic part of this Hamiltonian satisfies a one-dimensional version of the Ginsparg-Wilson relation. The corresponding conserved charge is derived and compared with the conserved arrow number of the 8-vertex model.

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