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Possible spin-liquid state at large S for the frustrated square Heisenberg lattice

โœ Scribed by Chandra, P.


Book ID
111933347
Publisher
The American Physical Society
Year
1988
Tongue
English
Weight
140 KB
Volume
38
Category
Article
ISSN
1098-0121

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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,