Exact trimer ground states on a spin-1 chain
classification
❄️ cond-mat.str-el
keywords
stateschainexactlygroundspin-1breakingcannotconstruct
read the original abstract
We construct a new spin-1 model on a chain. Its ground state is determined exactly which is three-fold degenerate by breaking translational invariance. Thus we have trimerization. Excited states cannot be obtained exactly, but we determine a few low-lying ones by using trial states, among them solitons.
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