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19932022
most citedFisher-Hartwig conjecture and the correlators in the inpenetrable Bose gas

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math-ph2003★ 5 cited

Formfactors and functional form of correlators in the XX spin chain

A. A. Ovchinnikov

We present the new expressions for the formfactors of local operators for the XX - quantum spin chain as a Cauchy determinants. Using the known functional form of the correlator at…