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cond-mat1995★ 10 cited
Ground-State Phase Diagrams of the Two-Dimensional Quantum Heisenberg Spin Glass Models
Yoshihiko Nonomura, Yukiyasu Ozeki
Ground-state properties of the two-dimensional random Heisenberg models are investigated by the exact-diagonalization method. The phase diagram of the bond-random model (th…
cond-mat1995★ 7 cited
Long-Range Order of the Site-Random Spin Glass Model
Yukiyasu Ozeki, Yoshihiko Nonomura
The site-random Ising spin glass model is investigated. We find a rigorous symmetry for the SG correlation and the free energy, which provides some restrictions in the phase diagra…