Abstract
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-order 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.
| Original language | English |
|---|---|
| Pages (from-to) | 560-568 |
| Number of pages | 9 |
| Journal | journal of the physical society of japan |
| Volume | 65 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - Jan 1 1996 |
| Externally published | Yes |
Keywords
- Haldane phase
- Hidden correlation
- Ladder model
- Resonating valence bond
ASJC Scopus subject areas
- Physics and Astronomy(all)
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Nishiyama, Y., Hatano, N., & Suzuki, M. (1996). Hidden Orders and RVB Formation of the Four-Leg Heisenberg Ladder Model. journal of the physical society of japan, 65(2), 560-568. https://doi.org/10.1143/JPSJ.65.560