Quantum KZ equation with |q| = 1 and correlation functions of theXXZmodel in the gapless regime 论文

1996Journal of Physics A Mathematical and General引用 281

Nonlinear Waves and SolitonsAlgebraic structures and combinatorial modelsQuantum Information and Cryptography

Quantum Information and Cryptography Algebraic structures and combinatorial models Nonlinear Waves and Solitons

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An integral solution to the quantum Knizhnik-Zamolodchikov ($q$KZ) equation with $|q|=1$ is presented. Upon specialization, it leads to a conjectural formula for correlation functions of the XXZ model in the gapless regime. The validity of this conjecture is verified in special cases, including the nearest neighbor correlator with an arbitrary coupling constant, and general correlators in the XXX and XY limits.

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Tetsuji Miwa

Michio Jimbo

Quantum KZ equation with |<i>q</i>| = 1 and correlation functions of the<b><i>XXZ</i></b>model in the gapless regime 论文

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