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QKZ-Ruijsenaars correspondence revisited
We discuss the Matsuo-Cherednik type correspondence between the quantum
Knizhnik-Zamolodchikov equations associated with and the -particle
quantum Ruijsenaars model, with being not necessarily equal to . The
quasiclassical limit of this construction yields the quantum-classical
correspondence between the quantum spin chains and the classical Ruijsenaars
models.Comment: 14 pages, minor correction
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