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Integral representations for correlation functions of the XXZ chain at finite temperature | | F. Göhmann
; A. Klümper
; A. Seel
; | | Date: |
10 May 2004 | | Journal: | J.Phys. A37 (2004) 7625-7652 | | Subject: | High Energy Physics - Theory; Statistical Mechanics; Mathematical Physics | hep-th cond-mat.stat-mech math-ph math.MP | | Abstract: | We derive a novel multiple integral representation for a generating function of the $s^z$-$s^z$ correlation functions of the spin-$2$ XXZ chain at finite temperature and finite, longitudinal magnetic field. Our work combines algebraic Bethe ansatz techniques for the calculation of matrix elements with the quantum transfer matrix approach to thermodynamics. | | Source: | arXiv, hep-th/0405089 | | Services: | Forum | Review | PDF | Favorites | |
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