Correlation functions of the XXZ model for Delta < -1
Jun 8, 1992
10 pages
Published in:
- Phys.Lett.A 168 (1992) 256-263
e-Print:
- hep-th/9205055 [hep-th]
Report number:
- PRINT-92-0191 (KYOTO),
- RIMS-877
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Abstract:
(A new approach to the correlation functions is presented for the XXZ model in the anti-ferroelectric regime. The method is based on the recent realization of the quantum affine symmetry using vertex operators. With the aid of a boson representation for the latter, an integral formula is found for correlation functions of arbitrary local operators. As a special case it reproduces the spontaneous staggered polarization obtained earlier by Baxter.)Note:
- Dedicated to Chen Ning Yang on occasion of his 70th birthday •
- 10 pages
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