Exact Ground States of One-Dimensional Quantum Systems: Matrix Product Approach

Details Exact Ground States of One-Dimensional Quantum Systems: Matrix Product Approach Exact Ground States of One-Dimensional Quantum Systems: Matrix Product Approach

1996-06-04

arxiv.org/abs/cond-mat/9606012v1

Phys. Lett. A213 (1996) 93-101

Physics

Condensed Matter

Revtex, 16 pages, no figures

Scientific paper

10.1016/0375-9601(96)00085-0

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 $J_z-V$ at 2/3 filling and the antiferromagnetic $t-J_z-V$ 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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