Ground states with cluster structures in a frustrated Heisenberg chain

Journal of Physics Condensed Matter

Volumn 8, Issue 35, 1996, Pages 6405-6411

  Takano, K ^a   Kubo, K ^b   Sakamoto, H ^b  

^a TOYOTA TECHNOLOGICAL INSTITUTE   (Japan)

^b UNIVERSITY OF TSUKUBA   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0038868352     PISSN: 09538984     EISSN: None     Source Type: Journal    
DOI: 10.1088/0953-8984/8/35/009     Document Type: Article

References (30)

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26. It was claimed in [8] that the dimer-monomer state is stable for λ > 2 for general S. It is only valid for S = 1/2 and does not hold for S ≥ 1 as proposition 2 says.
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28. Takano K, Kubo K and Sakamoto H 1996 in preparation
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30. Similar arguments have been done for an S = 1/2 double-chain model which includes a parameter [6]. However, the model has no ground state with clusters larger than dimers for all parameter values.