paper

Fisher-Hartwig conjecture and the correlators in XY spin chain

arXiv:math-ph/0509026 · doi:10.1016/j.physleta.2007.02.061

Abstract

We apply the theorems from the theory of Toeplitz determinants to calculate the asymptotics of the correlators in the XY spin chain in the transverse magnetic field. The asymptotics of the correlators for the XX spin chain in the magnetic field are obtained.

arXiv commentLaTex, 10 pages

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