 9499 Vladimir E. Korepin ,Anatoli G. Izergin, Fabian H.L. Essler,Denis
 Correlation Function of the Spin1/2 XXX Antiferromagnet
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Apr 24, 94

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Abstract. We consider a special correlation function in the isotropic
spinhalf Heisenberg antiferromagnet. It is the
probability of finding a ferromagnetic string of (adjacent) spins
in the antiferromagnetic ground state. We give two different
representations for this correlation function. Both of them are exact
at any distance, but one becomes more effective for the description of
long distance behaviour, the other for the description of short
distance behaviour.
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