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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