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Quasi-1D spin-1/2 Heisenberg magnets in their ordered phase: correlation functions | | Fabian H.L. Essler
; Alexei M. Tsvelik
; Gesulado Delfino
; | | Date: |
20 May 1997 | | Subject: | Strongly Correlated Electrons | cond-mat.str-el | | Abstract: | We study weakly coupled antiferromagnetic spin chains in their ordered phase by combinining an exact solution of the single-chain problem with an RPA analysis of the interchain interaction. A single chain is described by a quantum Sine-Gordon model and dynamical staggered susceptibilities are determined by employing the formfactor approach to quantum correlation functions. We consider both antiferromagnetic order encountered in quasi-1D materials like $KCuF_3$ and spin-Peierls order as found in $CuGeO_3$. | | Source: | arXiv, cond-mat/9705196 | | Services: | Forum | Review | PDF | Favorites | |
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