Dynamics of zz spin correlations in the square-lattice spin-1/2 isotropic XY model
arXiv:cond-mat/0307122 · doi:10.1016/S0921-4526(03)00427-7
Abstract
Using the Jordan-Wigner fermionization in two dimensions we obtain the zz wave vector- and frequency-dependent structure factor for the spin-1/2 isotropic XY model on a spatially anisotropic square lattice. We use the obtained results to discuss a role of the interchain interaction for the dynamic properties of quasi-one-dimensional systems.
arXiv comment9 pages, latex, 3 figures
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