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Density matrix renormalization group approach to a two-dimensional bosonic model

✍ Scribed by Takanori Sugihara


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
189 KB
Volume
140
Category
Article
ISSN
0920-5632

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Quantum spin-12 two-dimensional XXZ mode
✍ J.Ricardo de Sousa; N.S. Branco; B. Boechat; Claudette Cordeiro πŸ“‚ Article πŸ“… 2003 πŸ› Elsevier Science 🌐 English βš– 136 KB

We study the phase diagram of the two-dimensional quantum spin-1 2 anisotropic Heisenberg model. We adapt a renormalization-group approach to treat this quantum model, and an analysis on low temperatures is presented and compared with the exact results in the isotropic limit, obtained from the Mermi