- 94-119 H.Frahm, A. Its, V.Korepin
- DIFFERENTIAL EQUATION FOR A CORRELATION FUNCTION OF THE SPIN1/2
HEISENBERG CHAIN
(44K, LATeX)
May 2, 94
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Abstract. We consider a special correlation function, which shows the relation of
feromagnetic and antiferromagnetic ground state. We represent it as a tau
function of some completely integrable system of equations.
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