Physics – Condensed Matter
Scientific paper
1995-03-28
Nucl.Phys. B446 (1995) 448-460
Physics
Condensed Matter
14 pages, latex+epsf, 1 figure
Scientific paper
10.1016/0550-3213(95)00263-R
We consider the Ferromagnetic-String-Formation-Probability correlation function (FSFP) for the spin-$1\over 2$ Heisenberg XXZ chain. We construct a completely integrable system of integro-difference equations (IDE), which has the FSFP as a $\tau$-function. We derive the associated Riemann-Hilbert problem and obtain the large distance asymptotics of the FSFP correlator in some limiting cases.
Essler Fabian H. L.
Frahm Holger
Its Alexander R.
Korepin V. E. K.
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