Journal of the Physical Society of Japan
Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015
Exact Ground States and Excited States of Net Spin Models
Hai–Qing LinJ. L. Shen
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2000 Volume 69 Issue 3 Pages 878-882

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Abstract
We study a set of exactly soluble net spin models. There exist two kinds of ground state, one is a complete dimerized state, and the other one is the ground state of corresponding spin-1 model. For the excitation gap, various phases were discovered and determined.
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© The Physical Society of Japan 2000
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