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Heisenberg XXZ model and quantum Galilei group

✍ Scribed by Bonechi, F; Celeghini, E; Giachetti, R; Sorace, E; Tarlini, M

Book ID
121477472
Publisher
Institute of Physics
Year
1992
Tongue
English
Weight
211 KB
Volume
25
Category
Article
ISSN
0305-4470

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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