Parreira J.R., Bolina O., Perez J.F. — Neel Order in the Ground State of Spin-1/2 Heisenberg Antiferromagnetic Multilayer Systems
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Название: Neel Order in the Ground State of Spin-1/2 Heisenberg Antiferromagnetic Multilayer Systems
Авторы: Parreira J.R., Bolina O., Perez J.F.
Аннотация:
Journal of Statistical Physics, Vol. 86, Nos. 5/6, 1997. p. 1367-1371.
We show existence of N6el order for the ground state of a system with M two-dimensional layers with spin 1/2 and Heisenberg antiferromagnetic coupling, provided M >/8. The method uses the infrared bounds for the ground state combined with ideas introduced by Kennedy, Lieb, and Shastry.
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