GROUND-STATES OF VBS MODELS ON CAYLEY TREES
| Autor(en): | FANNES, M NACHTERGAELE, B WERNER, RF |
Stichwörter: | CAYLEY TREES; NEEL ORDER; Physics; Physics, Mathematical; QUANTUM; VBS MODELS | Erscheinungsdatum: | 1992 | Herausgeber: | PLENUM PUBL CORP | Journal: | JOURNAL OF STATISTICAL PHYSICS | Volumen: | 66 | Ausgabe: | 3-4 | Startseite: | 939 | Seitenende: | 973 | Zusammenfassung: | We study the thermodynamic limit of the ground states of VBS models on a Cayley tree. We prove uniqueness for coordination numbers z less-than-or-equal-to 4 and the occurrence of Neel order for z greater-than-or-equal-to 5. Our main technical tool is a transfer matrix description of VBS states. |
ISSN: | 00224715 | DOI: | 10.1007/BF01055710 |
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