Exact Groundstates for Antiferromagnetic Spin-One Chains with Nearest and Next-Nearest Neighbour Interactions

Abstract

We have found the exact ground state for a large class of antiferromagnetic spin-one chains with nearest and next-nearest neighbour interactions. The ground state is characterized as a matrix product of local site states and has the properties characteristic of the Haldane scenario.

8 pages, to appear in Z. Phys. B, preprint Cologne-94-4745

References in corpus (1)

• Matrix-product-groundstates for one-dimensional spin-1 quantum antiferromagnets

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