publication . Preprint . 2003

Thermodynamic Bethe Ansatz for the Spin-1/2 Staggered XXZ- Model

Mkhitaryan, V. V.; Sedrakyan, A. G.;
Open Access English
  • Published: 24 Feb 2003
Abstract
We develop the technique of Thermodynamic Bethe Ansatz to investigate the ground state and the spectrum in the thermodynamic limit of the staggered $XXZ$ models proposed recently as an example of integrable ladder model. This model appeared due to staggered inhomogeneity of the anisotropy parameter $\Delta$ and the staggered shift of the spectral parameter. We give the structure of ground states and lowest lying excitations in two different phases which occur at zero temperature.
Subjects
arxiv: Condensed Matter::Strongly Correlated ElectronsHigh Energy Physics::Lattice
free text keywords: High Energy Physics - Theory
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