Finite size effects and 2-string deviations in the spin-1 XXZ chains

Details Finite size effects and 2-string deviations in the spin-1 XXZ chains Finite size effects and 2-string deviations in the spin-1 XXZ chains

2007-06-11

arxiv.org/abs/0706.1411v2

J.Phys.A40:12007-12032,2007

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

10.1088/1751-8113/40/40/001

In an earlier work [1] J. Suzuki proposed a set of nonlinear integral equations (NLIE) to describe the excited state spectrum of the integrable spin-1 XXZ chain in its repulsive regime. In this paper we extend his equations for the attractive regime of the model, and calculate analytically the conformal spectrum of the spin chain. We also discuss the typical root configurations of the thermodynamic limit as well as the 2-string deviations of certain excited states of the model. Special objects appearing in the NLIE are also treated with special care.

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