Hidden Orders and RVB Formation of the Four-Leg Heisenberg Ladder Model

Details Hidden Orders and RVB Formation of the Four-Leg Heisenberg Ladder Model Hidden Orders and RVB Formation of the Four-Leg Heisenberg Ladder Model

1995-08-23

arxiv.org/abs/cond-mat/9508098v1

J. Phys. Soc. Jpn. 65 (1996) 560-568

Physics

Condensed Matter

9 pages, 16 Postscript figures

Scientific paper

10.1143/JPSJ.65.560

The ground state of the four-chain Heisenberg ladder model is numerically investigated. Hidden-order correlations suitable for the system are introduced and calculated with an emphasis on the spatially isotropic point, where a corresponding material exists. The existence of a long-range hidden correlation indicates formation of a short-range RVB state in the case of the antiferromagnetic inter-chain coupling. A transition between the phase of the ferromagnetic inter-chain coupling and that of the antiferromagnetic one is discussed.

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