Mixed Heisenberg Chains. I. The Ground State Problem

Preprint

14 October 1997

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/9703206

Abstract

We consider a mechanism for competing interactions in alternating Heisenberg spin chains due to the formation of local spin-singlet pairs. The competition of spin-1 and spin-0 states reveals hidden Ising symmetry of such alternating chains.

Keywords

HEISENBERG CHAINS
MIXED HEISENBERG
ISING SYMMETRY
STATE PROBLEM
SINGLET PAIRS
HIDDEN ISING
COMPETITION
SPIN CHAINS

All Related Versions

Version 1, 1997-03-24, ArXiv
Version 2, 1997-10-14, ArXiv
Published version: Journal of Physics: Condensed Matter, 9 (42), 9031.

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