Exact Ground States and Excited States of Net Spin Models

1998/05/21 by H. Q. Lin, Lin, H. Q., J. L. Shen +1
Physics and Astronomy · #Condensed Matter (cond-mat) #FOS: Physical sciences #cond-mat

paper · pdf · doi:10.48550/arxiv.cond-mat/9805269

4 pages, 3 figures, replace cond-mat/9805269

arxiv created 1999/03/12 · arxiv updated 2009/11/30

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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