Exact Ground States of One-Dimensional Quantum Systems: Matrix Product Approach
Abstract
By using the so-called matrix-product ground state approach, a few one-dimensional quantum systems, including a frustrated spin-1/2 Heisenberg ladder, the ferromagnetic t-J-V model at half-filling, the antiferromagnetic Jz-V at 2/3 filling and the antiferromagnetic t-Jz-V model at half-filling, are solved exactly. The correlation functions in the ground states are calculated respectively. Some relevant results are also discussed.
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