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Néel order in the ground state of spin-1/2 Heisenberg antiferromagnetic multilayer systems

✍ Scribed by J. Rodrigo Parreira; O. Bolina; J. Fernando Perez


Publisher
Springer
Year
1997
Tongue
English
Weight
172 KB
Volume
86
Category
Article
ISSN
0022-4715

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The method of constructing the ground state of square lattice quantum Heisenberg antiferromagnet is proposed on the basis of the covering by RVB-strings, where RVB with larger distance than nearest neighbor is considered. By introducing only a few geometrical parameters in the variational procedure,